Halachaהלכה

Kiddush Hashem and Sanctification of God's Name

These sources explore the biblical and rabbinic foundations of kiddush Hashem—the obligation to sanctify God's name through one's conduct, integrity, and readiness for martyrdom when necessary. They define the gravity of its opposite, chillul Hashem, and establish the conditions under which one must sacrifice life rather than transgress.

וְנִקְדַּשְׁתִּי בְּתוֹךְ בְּנֵי יִשְׂרָאֵל

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Source 1 · Tanach
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Vayikra – The Foundational Command

Leviticus 22:32

The Torah commands 'You shall not desecrate My holy Name, and I shall be sanctified among the Children of Israel' — the foundational verse for the entire concept of kiddush Hashem and chillul Hashem.

וְלֹ֤א תְחַלְּלוּ֙ אֶת־שֵׁ֣ם קׇדְשִׁ֔י וְנִ֨קְדַּשְׁתִּ֔י בְּת֖וֹךְ בְּנֵ֣י יִשְׂרָאֵ֑ל אֲנִ֥י יְהֹוָ֖ה מְקַדִּשְׁכֶֽם׃

You shall not profane My holy name, that I may be sanctified in the midst of the Israelite people—I, GOD, who sanctify you,

Why it matters — This is the biblical source and root commandment underlying all subsequent discussion of sanctifying God's name.

Source 2 · Chazal
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Talmud Yoma – Definition of Kiddush and Chillul Hashem

Yoma 86a

The Talmud discusses how a Torah scholar who conducts himself with integrity in business creates a kiddush Hashem, while one who acts improperly creates a chillul Hashem; it also defines what constitutes chillul Hashem for a person of stature.

אֲבָל מִי שֶׁיֵּשׁ חִילּוּל הַשֵּׁם בְּיָדוֹ — אֵין לוֹ כֹּחַ בִּתְשׁוּבָה לִתְלוֹת וְלֹא בְּיוֹם הַכִּפּוּרִים לְכַפֵּר וְלֹא בְּיִסּוּרִין לְמָרֵק, אֶלָּא כּוּלָּן תּוֹלִין, וּמִיתָה מְמָרֶקֶת, שֶׁנֶּאֱמַר: ״וְנִגְלָה בְאׇזְנָי ה׳ צְבָאוֹת אִם יְכוּפַּר הֶעָוֹן הַזֶּה לָכֶם עַד תְּמוּתוּן״. הֵיכִי דָּמֵי חִילּוּל הַשֵּׁם? אָמַר רַב: כְּגוֹן אֲנָא, אִי שָׁקֵילְנָא בִּישְׂרָא מִטַּבָּחָא וְלָא יָהֵיבְנָא דְּמֵי לְאַלְתַּר. אָמַר אַבָּיֵי: לֹא שָׁנוּ אֶלָּא בְּאַתְרָא דְּלָא תָּבְעִי, אֲבָל בְּאַתְרָא דְּתָבְעִי — לֵית לַן בַּהּ. רַבִּי יוֹחָנָן אָמַר: כְּגוֹן אֲנָא דִּמְסַגֵּינָא אַרְבַּע אַמּוֹת בְּלָא תּוֹרָה וּבְלָא תְּפִילִּין. יִצְחָק דְּבֵי רַבִּי יַנַּאי אָמַר: כׇּל שֶׁחֲבֵירָיו מִתְבַּיְּישִׁין מֵחֲמַת שְׁמוּעָתוֹ (הַיְינוּ חִילּוּל הַשֵּׁם). אָמַר רַב נַחְמָן בַּר יִצְחָק: כְּגוֹן דְּקָא אָמְרִי אִינָשֵׁי: שְׁרָא לֵיהּ מָרֵיהּ לִפְלָנְיָא. אַבָּיֵי אָמַר, כִּדְתַנְיָא: ״וְאָהַבְתָּ אֵת ה׳ אֱלֹהֶיךָ״, שֶׁיְּהֵא שֵׁם שָׁמַיִם מִתְאַהֵב עַל יָדְךָ. שֶׁיְּהֵא קוֹרֵא וְשׁוֹנֶה וּמְשַׁמֵּשׁ תַּלְמִידֵי חֲכָמִים, וִיהֵא מַשָּׂאוֹ וּמַתָּנוֹ בְּנַחַת עִם הַבְּרִיּוֹת, מָה הַבְּרִיּוֹת אוֹמְרוֹת עָלָיו — אַשְׁרֵי אָבִיו שֶׁלִּמְּדוֹ תּוֹרָה, אַשְׁרֵי רַבּוֹ שֶׁלִּמְּדוֹ תּוֹרָה. אוֹי לָהֶם לַבְּרִיּוֹת שֶׁלֹּא לָמְדוּ תּוֹרָה, פְּלוֹנִי שֶׁלִּמְּדוֹ תּוֹרָה — רְאוּ כַּמָּה נָאִים דְּרָכָיו, כַּמָּה מְתוּקָּנִים מַעֲשָׂיו. עָלָיו הַכָּתוּב אוֹמֵר: ״וַיֹּאמֶר לִי עַבְדִּי אָתָּה יִשְׂרָאֵל אֲשֶׁר בְּךָ אֶתְפָּאָר״. אֲבָל מִי שֶׁקּוֹרֵא וְשׁוֹנֶה וּמְשַׁמֵּשׁ תַּלְמִידֵי חֲכָמִים, וְאֵין מַשָּׂאוֹ וּמַתָּנוֹ בֶּאֱמוּנָה, וְאֵין דִּבּוּרוֹ בְּנַחַת עִם הַבְּרִיּוֹת, מָה הַבְּרִיּוֹת אוֹמְרוֹת עָלָיו — אוֹי לוֹ לִפְלוֹנִי שֶׁלָּמַד תּוֹרָה. אוֹי לוֹ לְאָבִיו שֶׁלִּמְּדוֹ תּוֹרָה, אוֹי לוֹ לְרַבּוֹ שֶׁלִּמְּדוֹ תּוֹרָה. פְּלוֹנִי שֶׁלָּמַד תּוֹרָה — רְאוּ כַּמָּה מְקוּלְקָלִין מַעֲשָׂיו וְכַמָּה מְכוֹעָרִין דְּרָכָיו, וְעָלָיו הַכָּתוּב אוֹמֵר: ״בֶּאֱמוֹר לָהֶם עַם ה׳ אֵלֶּה וּמֵאַרְצוֹ יָצָאוּ״.

But in the case of one who has caused desecration of God’s name, his repentance has no power to suspend punishment, nor does Yom Kippur have power to atone for his sin, nor does suffering alone have power to absolve him. Rather, all these suspend punishment, and death absolves him, as it is stated: “And the Lord of Hosts revealed Himself to my ears: This iniquity shall not be atoned for until you die” (Isaiah 22:14). § The Gemara asks: What are the circumstances that cause desecration of God’s name? Rav said: For example, in the case of someone like me, since I am an important public figure, if I take meat from a butcher and do not give him money immediately, people are likely to think that I did not mean to pay at all. They would consider me a thief and learn from my behavior that one is permitted to steal. Abaye said: They taught this statement of Rav only in a place where they do not ask for the money, where it is not customary for the butcher himself to come and collect payment from the customer. When the customer does not pay immediately, people may suspect him of theft. But in a place where they ask for the money from the customer some time later, we have no problem with doing this. Since everyone understands he is buying on credit, he is not desecrating God’s name. Rabbi Yoḥanan said: What is an example of desecration of God’s name? For example, someone like me, if I would walk four cubits without Torah and without phylacteries, and the onlookers did not know that it is only on account of my body’s weakness, that would be a desecration of God’s name. Yitzḥak from the school of Rabbi Yannai said: Any case when one’s friends are embarrassed on account of his reputation, meaning his friends are embarrassed due to things they hear about him, this is a desecration of God’s name. Rav Naḥman bar Yitzḥak said: One creates a profanation of God’s name, for example, when people say about him: May his Master forgive so-and-so for the sins he has done. Abaye said: As it was taught in a baraita that it is stated: “And you shall love the Lord your God” (Deuteronomy 6:5), which means that you shall make the name of Heaven beloved. How should one do so? One should do so in that he should read Torah, and learn Mishna, and serve Torah scholars, and he should be pleasant with people in his business transactions. What do people say about such a person? Fortunate is his father who taught him Torah, fortunate is his teacher who taught him Torah, woe to the people who have not studied Torah. So-and-so, who taught him Torah, see how pleasant are his ways, how proper are his deeds. The verse states about him and others like him: “You are My servant, Israel, in whom I will be glorified” (Isaiah 49:3). But one who reads Torah, and learns Mishna, and serves Torah scholars, but his business practices are not done faithfully, and he does not speak pleasantly with other people, what do people say about him? Woe to so-and-so who studied Torah, woe to his father who taught him Torah, woe to his teacher who taught him Torah. So-and-so who studied Torah, see how destructive are his deeds, and how ugly are his ways. About him and others like him the verse states that the gentiles will say: “Men said of them: These are the people of the Lord, yet they had to leave His land” (Ezekiel 36:20). Through their sins and subsequent exile, such people have desecrated the name of God.

Why it matters — This passage provides the Talmud's most detailed analysis of what constitutes kiddush Hashem in daily life versus its desecration.

Source 3 · Chazal
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Talmud Sanhedrin – Yehareg v'Al Ya'avor

Sanhedrin 74a

The Talmud establishes the three cardinal sins (idolatry, sexual immorality, murder) for which one must die rather than transgress, and discusses the principle of dying al kiddush Hashem in times of religious persecution (sha'at hashmad).

אָמַר רַבִּי יוֹחָנָן מִשּׁוּם רַבִּי שִׁמְעוֹן בֶּן יְהוֹצָדָק: נִימְנוּ וְגָמְרוּ בַּעֲלִיַּת בֵּית נַתְּזָה בְּלוֹד, כׇּל עֲבֵירוֹת שֶׁבַּתּוֹרָה אִם אוֹמְרִין לָאָדָם ״עֲבוֹר וְאַל תֵּהָרֵג״ – יַעֲבוֹר וְאַל יֵהָרֵג, חוּץ מֵעֲבוֹדָה זָרָה וְגִילּוּי עֲרָיוֹת וּשְׁפִיכוּת דָּמִים. כִּי אֲתָא רַב דִּימִי, אָמַר רַבִּי יוֹחָנָן: לֹא שָׁנוּ אֶלָּא שֶׁלֹּא בִּשְׁעַת הַשְּׁמָד, אֲבָל בִּשְׁעַת הַשְּׁמָד, אֲפִילּוּ מִצְוָה קַלָּה – יֵהָרֵג וְאַל יַעֲבוֹר. כִּי אֲתָא רָבִין אָמַר רַבִּי יוֹחָנָן: אֲפִילּוּ שֶׁלֹּא בִּשְׁעַת הַשְּׁמָד, לֹא אָמְרוּ אֶלָּא בְּצִינְעָא, אֲבָל בְּפַרְהֶסְיָא אֲפִילּוּ מִצְוָה קַלָּה – יֵהָרֵג וְאַל יַעֲבוֹר.

§ The Gemara now considers which prohibitions are permitted in times of mortal danger. Rabbi Yoḥanan says in the name of Rabbi Shimon ben Yehotzadak: The Sages who discussed this issue counted the votes of those assembled and concluded in the upper story of the house of Nitza in the city of Lod: With regard to all other transgressions in the Torah, if a person is told: Transgress this prohibition and you will not be killed, he may transgress that prohibition and not be killed, because the preserving of his own life overrides all of the Torah’s prohibitions. This is the halakha concerning all prohibitions except for those of idol worship, forbidden sexual relations, and bloodshed. Concerning those prohibitions, one must allow himself to be killed rather than transgress them. § When Rav Dimi came from Eretz Yisrael to Babylonia, he said that Rabbi Yoḥanan said: The Sages taught that one is permitted to transgress prohibitions in the face of mortal danger only when it is not a time of religious persecution. But in a time of religious persecution, when the gentile authorities are trying to force Jews to violate their religion, even if they issued a decree about a minor mitzva, one must be killed and not transgress. When Ravin came from Eretz Yisrael to Babylonia, he said that Rabbi Yoḥanan said: Even when it is not a time of religious persecution, the Sages said that one is permitted to transgress a prohibition in the face of mortal danger only when he was ordered to do so in private. But if he was ordered to commit a transgression in public, even if they threaten him with death if he does not transgress a minor mitzva, he must be killed and not transgress.

Why it matters — This is the primary talmudic locus for the halakhic framework of martyrdom as the ultimate expression of kiddush Hashem.

Source 4 · Chazal
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Talmud Berakhot – Name Beloved Through Your Actions

Berakhot 17b

The Talmud teaches that one should conduct oneself such that the name of Heaven is beloved through you — if one learns Torah and deals honestly with people, they say 'fortunate is his father who taught him Torah,' constituting a kiddush Hashem.

וּפְלִיגָא דְּרַב יְהוּדָה.

Similarly, Rav Ashi said: The heathen residents of the city Mata Meḥasya are the stubborn-hearted, as they witness the glory of the Torah twice a year at the kalla gatherings in Adar and Elul, when thousands of people congregate and study Torah en masse, yet no convert has ever converted from their ranks.

Why it matters — This passage defines everyday ethical conduct as an expression of kiddush Hashem, complementing the martyrdom context.

Source 5 · Rishonim
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Rambam – Sefer HaMitzvot, Positive Commandment 9

Sefer HaMitzvot, Positive Commandments 9

Rambam counts the commandment to sanctify God's name as one of the 613 mitzvot, explaining that this includes both the readiness for martyrdom and the broader obligation to conduct oneself in ways that bring honor to God and Torah.

היא שצונו לקדש את שמו והוא אמרו ונקדשתי בתוך בני ישראל. וענין זאת המצוה אשר אנחנו מצווים לפרסם האמונה הזאת האמתית בעולם ושלא נפחד בהיזק שום מזיק ואע"פ שבא עלינו מכריח לבקש ממנו לכפותנו שלא נשמע אליו אבל נמסור עצמנו למיתה ולא נתעהו לחשוב שכפרנו אע"פ שלבותינו מאמינים בו יתעלה. וזאת היא מצות קדוש השם המצווים בה בני ישראל בכללם, רוצה לומר התרת עצמנו למות ביד האנס בעבור אהבתו יתעלה וההאמנה באחדותו כמו שעשו חנניה מישאל ועזריה בזמן נבוכדנצר הרשע כשצוה להשתחות לצלם והשתחוו לו כל ההמון וישראל בכלל ולא היה שם מקדש שם שמים אבל פחדו הכל והיתה בזה חרפה לכל ישראל על אשר אבדה זאת המצוה מכללם.

And that is His saying, "and I shall be sanctified in the midst of the Children of Israel" (Leviticus 22:32). And the content of this commandment is that we are commanded to publicize this true faith in the world, and that we not fear the injury of any aggressor. And even though an oppressor seeks to coerce us, we may not listen to him, but rather must give ourselves over to dying; and not deceive him to think that we have denied [God or His Torah] - even if we [regardless] believe in Him, may He be exalted, in our hearts. And this is the commandment of sanctifying [God's] name, that the Jewish people is commanded as a whole - meaning, to allow ourselves to die at the hand of the coercer on account of our love for God, may He be exalted, and our faith in His unity. This is like that which was done by Chananiah, Mishael and Azariah at the time of the evil Nevuchadnetsar, when he commanded to bow down to an image and all of the masses bowed down to it, including the Jews; and there was no one there sanctifying the name of the Heavens.

Why it matters — This is Rambam's enumeration and definition of kiddush Hashem as a distinct positive commandment.

Source 6 · Rishonim
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Rabbeinu Yonah – Sha'arei Teshuvah on Chillul Hashem

Sha'arei Teshuvah 3:158-162

Rabbeinu Yonah enumerates the severity of chillul Hashem as among the gravest sins, explaining that its gravity is proportional to one's stature and visibility, and that even repentance cannot fully atone for it until one's death.

וְהִנֵּה עִקַּר כָּל הָעֳנָשִׁים הַנִּזְכָּרִים בַּמַּדְרֵגָה הַזֹּאת. מִפְּנֵי חִלּוּל הַתּוֹרָה. וְאָמְרוּ רַבּוֹתֵינוּ זִכְרוֹנָם לִבְרָכָה כִּי עֲוֹן חִלּוּל הַשֵּׁם גָּדוֹל מִכָּל הָעֲבֵרוֹת. וְלֹא יִתָּכֵן לְהִתְכַּפֵּר בִּתְשׁוּבָה וְיִסּוּרִין. כַּאֲשֶׁר יִתְבָּאֵר בְּשַׁעַר חִלּוּקֵי הַכַּפָּרָה. וְאָמְרוּ רַבּוֹתֵינוּ זִכְרוֹנָם לִבְרָכָה אֵין מַאֲרִיכִין בַּפֻּרְעָנוּת לְעֹנֶשׁ חִלּוּל הַשֵּׁם אֶחָד שׁוֹגֵג וְאֶחָד מֵזִיד. וְעַתָּה עֲמֹד וְהִתְבּוֹנֵן גֹּדֶל חִיּוּבֵנוּ לְקַדֵּשׁ אֶת הַשֵּׁם כִּי עִקַּר מָה שֶׁקִּדְּשָׁנוּ הש"י בְּתוֹרָתוֹ וּבְמִצְוֹתָיו וְהִבְדִּילָנוּ לִהְיוֹת לוֹ [לעם] כְּדֵי לְקַדְּשׁוֹ וּלְיִרְאָה מִמֶּנּוּ, כִּי רָאוּי שֶׁיִּהְיוּ מַקְדִּישָׁיו קְדוֹשִׁים. בְּשֶׁגַּם הַכֵּלִים שֶׁעוֹבְדִים לִפְנֵי הש"י צְרִיכִים לִהְיוֹת קוֹדֶשׁ. כְּמוֹ שֶׁנֶּאֱמַר (ויקרא כ"ב:ל"ב) וְלֹא תְחַלְּלוּ אֶת שֵׁם קָדְשִׁי וְנִקְדַּשְׁתִּי בְּתוֹךְ בְּנֵי יִשְׂרָאֵל אֲנִי ה' מְקַדִּשְׁכֶם. שִׂים לִבְּךָ לְהָבִין כִּי הָעִנְיָן שֶׁאָמַרְנוּ מְפֹרָשׁ בַּמִּקְרָא הַזֶּה. וְנֶאֱמַר (תהילים קי"א:ט') צִוָּה לְעוֹלָם בְּרִיתוֹ קָדוֹשׁ וְנוֹרָא שְׁמוֹ. פֵּרוּשׁ, בַּעֲבוּר כִּי קָדוֹשׁ וְנוֹרָא שְׁמוֹ צִוָּה לְעוֹלָם בְּרִיתוֹ, וְקִדְּשָׁנוּ בְּמִצְוֹתָיו לְקַדְּשׁוֹ וּלְיִרְאָה מִמֶּנּוּ. עַל כֵּן כָּתוּב אַחֲרָיו (תהילים קי"א:י') רֵאשִׁית חָכְמָה יִרְאַת ה' שֵׂכֶל טוֹב וְגוֹ'. וְעַל יְדֵי קְדֻשַּׁת הַמִּצְוֹת נֵחָשֵׁב בְּהַקְדִּישֵׁנוּ אֶת הש"י עִם הַקְּדוֹשִׁים הָעֶלְיוֹנִים שֶׁמַּקְדִּישִׁים וּמַעֲרִיצִים אוֹתוֹ. כְּמוֹ שֶׁנֶּאֱמַר (תהילים פ"ט:ח') אֵל נַעֲרָץ בְּסוֹד קְדֹשִׁים רַבָּה וְגוֹ'.

And behold that the principle behind all of the punishments mentioned in this level is because of profaning the Torah. And our Rabbis, may their memory be blessed, said (Yerushalmi Nedarim 3:14), that the sin of profanation is bigger than all of the transgressions. And it is not possible to atone [for it] with repentance and afflictions, as will be explained in the Gate of the Parts of Atonement (no longer extant). And our Rabbis, may their memory be blessed, said (Kiddushin 40a), “There is no [deferral] with [the punishment] for profaning [God’s] name - whether one is inadvertent or volitional.” And now stand and reflect upon our great obligation to sanctify His name: As the essence of that which God, may He be blessed, sanctified us with His Torah and His commandments and separated us to be [a people] for Him was to sanctify Him and to fear Him. [Hence] it is fit from the ones he sanctified to be holy - in that even the vessels [used to] serve in front of God, may He be blessed, need to be sanctified; as it is stated (Leviticus 22:32), “You shall not profane My holy name, that I may be sanctified in the midst of the Israelite people; I am the Lord who sanctified you,” Note and understand that the matter that we said can be found explicitly in this verse: It is stated (Psalms 111:9), “He ordered His covenant for all time; His name is holy and awesome.” Its explanation is, because “His name is holy and awesome,” “He ordered His Covenant for all time” and commanded us with His commandments - to sanctify Him and to fear Him. Hence, it is written after it (Psalms 111:10), “The beginning of wisdom is the fear of the Lord; sound understanding, etc.” And through the holiness of the commandments - when we sanctify God, may He be blessed, we are associated with the supernal holy ones that sanctify and venerate Him, as it is stated (Psalms 89:8), “A God venerated in the great council of holy beings, etc.”

Why it matters — This mussar classic provides a detailed ethical analysis of the gravity of desecrating God's name, which illuminates the corresponding magnitude of sanctifying it.

Source 7 · Rishonim
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Rambam – Hilkhot Yesodei HaTorah, Chapter 5

Mishneh Torah, Foundations of the Torah 5:1-11

Rambam codifies the entire law of kiddush Hashem and chillul Hashem: the obligation to die rather than transgress three specific prohibitions, the distinction between public and private circumstances, the status of martyrs, and the obligation to sanctify God's name through one's conduct.

כָּל בֵּית יִשְׂרָאֵל מְצֻוִּין עַל קִדּוּשׁ הַשֵּׁם הַגָּדוֹל הַזֶּה שֶׁנֶּאֱמַר (ויקרא כב לב) "וְנִקְדַּשְׁתִּי בְּתוֹךְ בְּנֵי יִשְׂרָאֵל". וּמֻזְהָרִין שֶׁלֹּא לְחַלְּלוֹ שֶׁנֶּאֱמַר (ויקרא כב לב) "וְלֹא תְחַלְּלוּ אֶת שֵׁם קָדְשִׁי". כֵּיצַד. כְּשֶׁיַּעֲמֹד עוֹבֵד כּוֹכָבִים וְיֶאֱנֹס אֶת יִשְׂרָאֵל לַעֲבֹר עַל אַחַת מִכָּל מִצְוֹת הָאֲמוּרוֹת בַּתּוֹרָה אוֹ יַהַרְגֶּנּוּ יַעֲבֹר וְאַל יֵהָרֵג שֶׁנֶּאֱמַר בַּמִּצְוֹת (ויקרא יח ה) "אֲשֶׁר יַעֲשֶׂה אוֹתָם הָאָדָם וָחַי בָּהֶם". וָחַי בָּהֶם וְלֹא שֶׁיָּמוּת בָּהֶם. וְאִם מֵת וְלֹא עָבַר הֲרֵי זֶה מִתְחַיֵּב בְּנַפְשׁוֹ: כָּל מִי שֶׁנֶּאֱמַר בּוֹ יַעֲבֹר וְאַל יֵהָרֵג וְנֶהֱרַג וְלֹא עָבַר הֲרֵי זֶה מִתְחַיֵּב בְּנַפְשׁוֹ. וְכָל מִי שֶׁנֶּאֱמַר בּוֹ יֵהָרֵג וְאַל יַעֲבֹר וְנֶהֱרַג וְלֹא עָבַר הֲרֵי זֶה קִדֵּשׁ אֶת הַשֵּׁם. וְאִם הָיָה בַּעֲשָׂרָה מִיִּשְׂרָאֵל הֲרֵי זֶה קִדֵּשׁ אֶת הַשֵּׁם בָּרַבִּים כְּדָנִיֵּאל חֲנַנְיָה מִישָׁאֵל וַעֲזַרְיָה וְרַבִּי עֲקִיבָא וַחֲבֵרָיו. וְאֵלּוּ הֵן הֲרוּגֵי מַלְכוּת שֶׁאֵין מַעֲלָה עַל מַעֲלָתָן. וַעֲלֵיהֶן נֶאֱמַר (תהילים מד כג) "כִּי עָלֶיךָ הֹרַגְנוּ כָל הַיּוֹם נֶחְשַׁבְנוּ כְּצֹאן טִבְחָה". וַעֲלֵיהֶם נֶאֱמַר (תהילים נ ה) "אִסְפוּ לִי חֲסִידָי כֹּרְתֵי בְרִיתִי עֲלֵי זָבַח". וְכָל מִי שֶׁנֶּאֱמַר בּוֹ יֵהָרֵג וְאַל יַעֲבֹר וְעָבַר וְלֹא נֶהֱרַג הֲרֵי זֶה מְחַלֵּל אֶת הַשֵּׁם. וְאִם הָיָה בַּעֲשָׂרָה מִיִּשְׂרָאֵל הֲרֵי זֶה חִלֵּל אֶת הַשֵּׁם בָּרַבִּים וּבִטֵּל מִצְוַת עֲשֵׂה שֶׁהִיא קִדּוּשׁ הַשֵּׁם וְעָבַר עַל מִצְוַת לֹא תַעֲשֶׂה שֶׁהִיא חִלּוּל הַשֵּׁם. וְאַף עַל פִּי כֵן מִפְּנֵי שֶׁעָבַר בְּאֹנֶס אֵין מַלְקִין אוֹתוֹ וְאֵין צָרִיךְ לוֹמַר שֶׁאֵין מְמִיתִין אוֹתוֹ בֵּית דִּין אֲפִלּוּ הָרַג בְּאֹנֶס. שֶׁאֵין מַלְקִין וּמְמִיתִין אֶלָּא לְעוֹבֵר בִּרְצוֹנוֹ וּבְעֵדִים וְהַתְרָאָה שֶׁנֶּאֱמַר בְּנוֹתֵן מִזַּרְעוֹ לַמּלֶךְ (ויקרא כ ה) "(וְנָתַתִּי) [וְשַׂמְתִּי] אֲנִי אֶת פָּנַי בָּאִישׁ הַהוּא". מִפִּי הַשְּׁמוּעָה לָמְדוּ הַהוּא לֹא אָנוּס וְלֹא שׁוֹגֵג וְלֹא מֻטְעֶה. וּמָה אִם עֲבוֹדַת כּוֹכָבִים שֶׁהִיא חֲמוּרָה מִן הַכּל הָעוֹבֵד אוֹתָהּ בְּאֹנֶס אֵינוֹ חַיָּב כָּרֵת וְאֵין צָרִיךְ לוֹמַר מִיתַת בֵּית דִּין. קַל וָחֹמֶר לִשְׁאָר מִצְוֹת הָאֲמוּרוֹת בַּתּוֹרָה. וּבַעֲרָיוֹת הוּא אוֹמֵר (דברים כב כו) "וְלַנַּעֲרָה לֹא תַעֲשֶׂה דָבָר". אֲבָל אִם יָכוֹל לְמַלֵּט נַפְשׁוֹ וְלִבְרֹחַ מִתַּחַת יַד הַמֶּלֶךְ הָרָשָׁע וְאֵינוֹ עוֹשֶׂה הִנֵּה הוּא כְּכֶלֶב שָׁב עַל קֵאוֹ. וְהוּא נִקְרָא עוֹבֵד עֲבוֹדַת כּוֹכָבִים בְּמֵזִיד וְהוּא נִטְרָד מִן הָעוֹלָם הַבָּא וְיוֹרֵד לַמַּדְרֵגָה הַתַּחְתּוֹנָה שֶׁל גֵּיהִנֹּם: כָּל הָעוֹבֵר מִדַּעְתּוֹ בְּלֹא אֹנֶס עַל אַחַת מִכָּל מִצְוֹת הָאֲמוּרוֹת בַּתּוֹרָה בִּשְׁאָט בְּנֶפֶשׁ לְהַכְעִיס הֲרֵי זֶה מְחַלֵּל אֶת הַשֵּׁם. וּלְפִיכָךְ נֶאֱמַר בִּשְׁבוּעַת שֶׁקֶר (ויקרא יט יב) "וְחִלַּלְתָּ אֶת שֵׁם אֱלֹהֶיךָ אֲנִי ה'". וְאִם עָבַר בַּעֲשָׂרָה מִיִּשְׂרָאֵל הֲרֵי זֶה חִלֵּל אֶת הַשֵּׁם בָּרַבִּים. וְכֵן כָּל הַפּוֹרֵשׁ מֵעֲבֵרָה אוֹ עָשָׂה מִצְוָה לֹא מִפְּנֵי דָּבָר בָּעוֹלָם לֹא פַּחַד וְלֹא יִרְאָה וְלֹא לְבַקֵּשׁ כָּבוֹד אֶלָּא מִפְּנֵי הַבּוֹרֵא בָּרוּךְ הוּא כִּמְנִיעַת יוֹסֵף הַצַּדִּיק עַצְמוֹ מֵאֵשֶׁת רַבּוֹ הֲרֵי זֶה מְקַדֵּשׁ אֶת הַשֵּׁם:

The entire house of Israel are commanded regarding the sanctification of [God's] great name, as [Leviticus 22:32] states: "And I shall be sanctified amidst the children of Israel." Also, they are warned against desecrating [His holy name], as [the above verse] states: "And they shall not desecrate My holy name." What is implied? Should a gentile arise and force a Jew to violate one of the Torah's commandments at the pain of death, he should violate the commandment rather than be killed, because [Leviticus 18:5] states concerning the mitzvot: "which a man will perform and live by them." [They were given so that] one may live by them and not die because of them. If a person dies rather than transgress, he is held accountable for his life. If anyone about whom it is said: "Transgress and do not sacrifice your life," sacrifices his life and does not transgress, he is held accountable for his life. When anyone about whom it is said: "Sacrifice your life and do not transgress," sacrifices his life and does not transgress, he sanctifies [God's] name. If he does so in the presence of ten Jews, he sanctifies [God's] name in public, like Daniel, Chananiah, Mishael, Azariah, and Rabbi Akiva and his colleagues. These are those slain by [the wicked] kingdom, above whom there is no higher level. Concerning them, [Psalms 44:23] states: "For Your sake, we have been slain all day, we are viewed as sheep for the slaughter," and [Psalms 50:5] states: "Gather unto Me, My pious ones, those who have made a covenant with Me by slaughter." When anyone about whom it is said: "Sacrifice your life and do not transgress," transgresses instead of sacrificing his life, he desecrates [God's] name. If he does so in the presence of ten Jews, he desecrates [God's] name in public, nullifies [the fulfillment of] the positive commandment of the sanctification of [God's] name, and violates the negative commandment against the desecration of God's name. Nevertheless, since he was forced to transgress, he is not [punished by] lashing, and, needless to say, is not executed by the court even if he was forced to slay [a person]. The [punishments of] lashes and execution are administered only to one who transgresses voluntarily, [when the transgression is observed by] witnesses, and [when] a warning [was given], as [Leviticus 20:5] states concerning one who gives his children to [the worship of] Molech: "I will turn My face against that person." The oral tradition teaches [that we can infer]: "that person" and not one who is forced [to transgress, who transgresses] inadvertently, or [who transgresses] because of an error. If, concerning the worship of false gods, which is the most serious [of sins], a person who is forced to worship is not liable for karet, nor, needless to say, execution by a court, how much more so [does this principle apply] regarding the other mitzvot of the Torah? [Similarly,] regarding forbidden sexual relations, [Deuteronomy 22:26] states: "Do not do anything to the maiden." One who could, however, escape and flee from under the power of a wicked king and fails to do so is like a dog who returns [to lick] his vomit. He is considered as one who worships false gods willingly. He will be prevented from reaching the world to come and will descend to the lowest levels of Gehinnom. Whoever consciously transgresses one of the mitzvot related in the Torah, without being forced to, in a spirit of derision, to arouse [Divine] anger, desecrates [God's] name. Therefore, [Leviticus 19:12] states, regarding [taking] an oath in vain: "[for] you are desecrating the name of your Lord; I am God." If he transgresses amidst ten Jews, he desecrates [God's] name in public. Conversely, anyone who refrains from committing a sin or performs a mitzvah for no ulterior motive, neither out of fear or dread, nor to seek honor, but for the sake of the Creator, blessed be He - as Joseph held himself back from his master's wife - sanctifies God's name.

Why it matters — This is the central halakhic codification of kiddush Hashem, synthesizing all talmudic material into a comprehensive legal framework.