Machshavaמחשבה

Emunah: Faith as Life's Foundation

These sources explore emunah (faith and trust in God) as the animating principle of Jewish life and practice. From the Tanakh through rabbinic tradition and medieval philosophy, they examine emunah both as intellectual conviction and as the lived experience of relying on God's justice, providence, and oneness.

וְצַדִּיק בֶּאֱמוּנָתוֹ יִחְיֶה

7 sources · all verified

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What the sources say

The root of emunah is framed in the pasuk that the righteous live by their faithfulness, establishing endurance in one's trust as the measure of righteousness (Chavakuk 2:4).

Chazal link this verse to the comprehensive weight it bears, as the Gemara in Makkot 23b-24a treats Chavakuk's statement as a foundational principle under which the entire Torah structure of reward and punishment can be subsumed.

Rabbeinu Yonah situates emunah among the sublime virtues bound up with the positive commandments, pairing the choice to cleave to life, the study of Torah, walking in God's ways, and contemplating His greatness as the components through which a person internalizes belief (Sha'arei Teshuvah 3:17).

Practically, Chazal locate the daily act of accepting the yoke of Heaven in the recitation of Shema, as seen in the account of Rebbi who, even with a single verse, was understood to have accepted the kingship of Heaven upon himself (Berakhot 13b:18).

The Kuzari grounds emunah not in abstract philosophical proofs but in the concrete historical experience of the Shemot, the giving of the Torah through Moshe, and the chain of prophets who confirmed it with reward and punishment, presenting this as the content of Israel's belief (Kuzari 1:17-19).

The Rambam's Guide warns that a corrupted conception of belief — imagining God as possessed of bodily form — is a distortion that people mistakenly thought was necessary to uphold the truth of the Torah, when in fact true emunah requires freeing one's conception of God from such error (Guide for the Perplexed, Part 1:1).

Chovot HaLevavot ties emunah directly to bitachon, teaching that a person who does not place his trust in God will inevitably place it in something else, and that one who trusts in something other than God causes the Almighty to withdraw His providence and leave him in the hands of whatever he trusted instead, citing the prophetic rebuke of forsaking the wellspring of living waters for broken cisterns (Chovot HaLevavot, Sha'ar HaBitachon).

Source 1 · Tanach
Verified

Habakkuk

חבקוק ב׳:ד׳

Habakkuk 2:4

"But the righteous shall live by his emunah." This short verse became one of the most cited statements in Jewish thought — the tzaddik's very life is rooted in his faithfulness and trust in God.

הִנֵּ֣ה עֻפְּלָ֔ה לֹא־יָשְׁרָ֥ה נַפְשׁ֖וֹ בּ֑וֹ וְצַדִּ֖יק בֶּאֱמוּנָת֥וֹ יִֽחְיֶֽה׃ {ס}

Lo, their spirit within them is puffed up, not upright, But the righteous are rewarded with life For their fidelity.

Why it matters — The single most quoted Tanach verse on emunah; foundational to all later discussions of faith and righteousness.

Source 2 · Chazal
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Talmud Bavli, Makkot

מכות כ״ג ב-כ״ד א

Makkot 23b-24a

The Talmud records that Habakkuk came and reduced all 613 commandments to one: 'The righteous shall live by his emunah.' This aggadic passage establishes emunah as the all-encompassing principle underlying the entire Torah.

גְּמָ׳ אָמַר רַבִּי יוֹחָנָן: חֲלוּקִין עָלָיו חֲבֵרָיו עַל רַבִּי חֲנַנְיָה בֶּן גַּמְלִיאֵל. אָמַר רַב אַדָּא בַּר אַהֲבָה: אָמְרִי בֵּי רַב, תְּנֵינַן: אֵין בֵּין שַׁבָּת לְיוֹם הַכִּפּוּרִים אֶלָּא שֶׁזֶּה זְדוֹנוֹ בִּידֵי אָדָם וְזֶה זְדוֹנוֹ בְּהִכָּרֵת. וְאִם אִיתָא, אִידֵּי וְאִידֵּי בִּידֵי אָדָם הוּא.

GEMARA: Rabbi Yoḥanan says: Rabbi Ḥananya ben Gamliel’s colleagues are in disagreement with him and hold that lashes do not exempt the sinner from karet. Rav Adda bar Ahava said that this is so, as they say in the school of Rav that we learned in a mishna (Megilla 7b): The difference between Shabbat and Yom Kippur with regard to the labor prohibited on those days is only that in this case, Shabbat, its intentional desecration is punishable by human hands, as he is stoned by a court based on the testimony of witnesses who forewarned the transgressor, and in that case, Yom Kippur, its intentional desecration is punishable at the hand of God, with karet. And if the statement of Rabbi Ḥananya ben Gamliel is so, in both this case, Shabbat, and that case, Yom Kippur, the punishment would be by human hands. Apparently, the tanna of the mishna, the Rabbis, disagrees with Rabbi Ḥananya ben Gamliel.

Why it matters — The Talmud's most direct statement that emunah is the root and foundation of all mitzvot.

See also

  • Nedarim 38aunverifiedFiled under: The Giving of the Torah
  • Shabbat 89unverifiedFiled under: The Giving of the Torah
  • Megillah 29aunverifiedFiled under: The Giving of the Torah
Source 3 · Chazal
Verified

Talmud Bavli, Berakhot

ברכות י״ג ב

Berakhot 13b:18

Discussion of the Shema and the acceptance of the yoke of Heaven (kabbalat ol malkhut shamayim) — the daily declaration that constitutes the core act of emunah for every Jew.

תָּנוּ רַבָּנַן: ״שְׁמַע יִשְׂרָאֵל ה׳ אֱלֹהֵינוּ ה׳ אֶחָד״ זוֹ קְרִיאַת שְׁמַע שֶׁל רַבִּי יְהוּדָה הַנָּשִׂיא. אֲמַר לֵיהּ רַב לְרַבִּי חִיָּיא: לָא חֲזֵינָא לֵיהּ לְרַבִּי דִּמְקַבֵּל עֲלֵיהּ מַלְכוּת שָׁמַיִם. אֲמַר לֵיהּ: בַּר פַּחֲתֵי, בְּשָׁעָה שֶׁמַּעֲבִיר יָדָיו עַל פָּנָיו, מְקַבֵּל עָלָיו עוֹל מַלְכוּת שָׁמַיִם.

The Sages taught in a baraita: The single verse, “Hear, Israel, the Lord is our God, the Lord is One”; this is Rabbi Yehuda HaNasi’s recitation of Shema. The Gemara relates: Rav said to his uncle, Rabbi Ḥiyya: I did not see Rabbi Yehuda HaNasi accept the kingship of Heaven upon himself, meaning that he did not see him recite Shema. Rabbi Ḥiyya said to him: Son of noblemen [bar paḥtei], when Rabbi Yehuda HaNasi passed his hands over his face in the study hall in the middle of his lesson, he accepted the yoke of the kingdom of Heaven upon himself, as his Shema was comprised of a single verse.

Why it matters — Links emunah to the central Jewish liturgical and spiritual act of accepting God's sovereignty.

Source 4 · Rishonim
Verified

Sha'arei Teshuvah — Rabbeinu Yonah

שערי תשובה ג׳:י״ז

Sha'arei Teshuvah 3:17

Rabbeinu Yonah lists the failure to believe firmly in God's reward and punishment as a serious spiritual failing. Emunah in God's justice — that He sees all deeds and repays them — is presented as a cornerstone of ethical and repentant life.

וְדַע כִּי הַמַּעֲלוֹת הָעֶלְיוֹנוֹת נִמְסְרוּ בְּמִצְוֹת עֲשֵׂה. כְּמוֹ מַעֲלוֹת הַבְּחִירָה שֶׁנֶּאֱמַר (דברים ל':י"ט) וּבָחַרְתָּ בַּחַיִּים. וּמַעֲלוֹת תַּלְמוּד תּוֹרָה שֶׁנֶּאֱמַר (דברים ו':ז') וְדִבַּרְתָּ בָּם. וּמַעֲלוֹת לֶכֶת בְּדַרְכֵי ה' שֶׁנֶּאֱמַר (דברים כ"ח:ט') וְהָלַכְתָּ בִּדְרָכָיו. וּמַעֲלוֹת הִתְבּוֹנֵן בִּגְדֻלַּת ה' שֶׁנֶּאֱמַר (דברים ד':ל"ט) וְיָדַעְתָּ הַיּוֹם וַהֲשֵׁבֹתָ אֶל לְבָבֶךָ כִּי ה' הוּא הָאֱלֹהִים, וְדָוִד אָמַר (תהילים י"ד:ב') ה' מִשָּׁמַיִם הִשְׁקִיף עַל בְּנֵי אָדָם לִרְאוֹת הֲיֵשׁ מַשְׂכִּיל דֹּרֵשׁ אֶת אֱלֹהִים, וּמַעֲלוֹת זִכְרוֹן חֲסָדָיו וְהִתְבּוֹנֵן בָּהֶם שֶׁנֶּאֱמַר (דברים ח':ב') וְזָכַרְתָּ אֶת כָּל הַדֶּרֶךְ וְנֶאֱמַר (דברים ח':ה') וְיָדַעְתָּ עִם לְבָבֶךָ כִּי כַּאֲשֶׁר יְיַסֵּר אִישׁ אֶת בְּנוֹ יְיָ אֱלֹהֶיךָ מְיַסְּרֶךָּ. וְדָוִד אָמַר (תהילים ק"ז:מ"ג) וְיִתְבּוֹנְנוּ חַסְדֵי ה', וְנֶאֱמַר (תהילים כ"ו:ג') כִּי חַסְדְּךָ לְנֶגֶד עֵינָי. וּמַעֲלוֹת הַקְּדֻשָּׁה, שֶׁנֶּאֱמַר (ויקרא י"א:מ"ד) וְהִתְקַדִּשְׁתֶּם וִהְיִיתֶם קְדוֹשִׁים. וּמַעֲלוֹת הָעֲבוֹדָה, שֶׁנֶּאֱמַר (דברים י':כ') אוֹתוֹ תַעֲבֹד. וּמַעֲלוֹת הַיִּרְאָה, שֶׁנֶּאֱמַר (שם) אֶת ה' אֱלֹקֶיךָ תִּירָא. וּמַעֲלוֹת הָאַהֲבָה שֶׁנֶּאֱמַר (דברים ו':ה') וְאָהַבְתָּ אֵת ה' אֱלֹקֶיךָ וּמַעֲלוֹת הַדְּבֵקוּת שֶׁנֶּאֱמַר (דברים י':כ') וּבוֹ תִדְבָּק. לְכָל אַחַת מֵהֵנָּה כַּמָּה מַדְרֵגוֹת כַּאֲשֶׁר יִתְבָּאֵר בעז"ה. וּבַעֲבוּר מַעֲלוֹת הָאֵלֶּה נִבְרָא הָאָדָם שֶׁנֶּאֱמַר (ישעיה מ"ג:ז') כֹּל הַנִּקְרָא בִשְׁמִי וְלִכְבוֹדִי בְּרָאתִיו. וּמַה תִּקְוַת הַנִּבְרָא אִם לֹא יָשִׂים עֲמַל נַפְשׁוֹ וְעִקַּר עִסְקוֹ בַּדְּבָרִים שֶׁנִּבְרָא בַּעֲבוּרָם.

And know that there are sublime virtues given over in the positive commandments such as: The virtues of free choice, as it is stated (Deuteronomy 30:19), “and choose life”; and the virtues of Torah study, as it is stated (Deuteronomy 6:7), “and you shall speak about them;” and the virtues of walking in the ways of the Lord, as it is stated (Deuteronomy 28:9) “and you shall walk in His ways;” and the virtues of contemplation of the greatness of the Lord, as it is stated (Deuteronomy 4:39), “Know therefore this day and keep in mind that the Lord alone is God in heaven above and on earth below; there is no other,” and David said (Psalms 14:2), “The Lord looks down from heaven on mankind to find a man of understanding a man who seeks God”; and the virtues of remembrance of His kindnesses,” as it is stated (Deuteronomy 8:2), “Remember the whole way,” and it is [also] stated (Deuteronomy 8:6), “And you shall know that the Lord your God disciplines you just as a man disciplines his son,” and David said (Psalms 107:43), “he will contemplate the kindnesses of the Lord,” and said (Psalms 26:3) “For Your kindness is across from my eyes”; and the virtues of holiness, as it is stated (Leviticus 11:44), “and you shall sanctify yourselves and you shall be holy”; and the virtues of worship, as it is stated (Deuteronomy 10:20), “and He shall you worship;” and the virtues of fear, as it is stated (Deuteronomy 10:20), “And you shall fear the Lord”; and the virtues of love as it is stated (Deuteronomy 6:5), “And you shall love the Lord, your God;” and the virtues of clinging, as it is stated (Deuteronomy 10:20), ”to Him shall you cling.” There are several levels to each of these, as will be explained, with God’s help.

Why it matters — Connects emunah to mussar and teshuvah, showing how weak faith undermines moral conduct.

Source 5 · Rishonim
Verified

Sefer HaKuzari

הכוזרי א׳:י״א-כ״ה

Kuzari 1:17-19

Rabbi Yehuda HaLevi presents the Chaver's opening argument to the Khazar king: Jewish emunah is rooted in collective historical experience and direct revelation at Sinai, not in speculative philosophy — making it more certain than abstract theological argument.

(יא) אָמַר לוֹ הֶחָבֵר: אֲנַחְנוּ מַאֳמִינִים בֵּאלֹהֵי אַבְרָהָם יִצְחָק וְיַעֲקֹב הַמּוֹצִיא אֶת בְּנֵי יִשְׂרָאֵל מִמִּצְרַיִם בְּאוֹתוֹת וּבְמוֹפְתִים וּבְמַסּוֹת, וְהַמְכַלְכְּלָם בַּמִּדְבָּר, וְהַמַּנְחִילָם אֶת אֶרֶץ כְּנַעַן, אַחַר אֲשֶׁר הֶעֱבִירָם אֶת הַיָּם וְהַיַּרְדֵּן בְּמוֹפְתִים גְּדוֹלִים, וְשָׁלַח משֶׁה בְתוֹרָתוֹ, וְאַחַר כָּךְ כַּמָּה אַלְפֵי נְבִיאִים אַחֲרָיו מַזְהִירִים עַל תּוֹרָתוֹ, מְיַעֲדִים בִּגְמוּל טוֹב לְשׁוֹמְרָהּ, וְעֹנֶשׁ קָשֶׁה לַמַּמְרֶה אוֹתָהּ. וַאֲנַחְנוּ מַאֲמִינִים בְּכָל מַה שֶּׁכָּתוּב בַּתּוֹרָה, וְהַדְּבָרִים אֲרֻכִּים. (יב) אָמַר הַכּוּזָרִי: מַסְכִּים הָיִיתִי שֶׁלֹּא אֶשְׁאַל יְהוּדִי מִפְּנֵי שֶׁיָּדַעְתִּי אִבּוּד זִכְרָם וְחֶסְרוֹן עֲצָתָם, כִּי הַשִּׁפְלוּת וְהַדַּלּוּת לֹא עָזְבוּ לָהֶם מִדָּה טוֹבָה. וַהֲלֹא הָיָה לְךָ לוֹמַר, הַיְּהוּדִי, כִּי אַתָּה מַאֲמִין בְּבוֹרֵא הָעוֹלָם, וּמְסַדְּרוֹ וּמַנְהִיגוֹ, וּבְמִי שֶׁבְּרָאֲךָ וְהִטְרִיפְךָ וְהַדּוֹמֶה לַסִּפּוּרִים הָאֵלֶּה, אֲשֶׁר הֵם טַעֲנַת כָּל מִי שֶׁיֶּשׁ־לוֹ דָת, וּבַעֲבוּרָהּ הוּא רוֹדֵף הָאֱמֶת, לְהִדַּמּוֹת לַבּוֹרֵא בְּצִדְקוֹ וּבְחָכְמָתוֹ: (יג) אָמַר הֶחָבֵר: זֶה שֶׁאַתָּה אוֹמֵר הִיא הַדָּת הַהֶקֵּשִׁית הַמִּנְהָגִית, מֵבִיא אֵלֶיהָ הָעִיּוּן, וְנִכְנָסִים בָּהּ סְפֵקוֹת רַבּוֹת. וְאִם תִּשְׁאַל הַפִּילוֹסוֹפִים עָלֶיהָ אֵינְךָ מוֹצֵא אוֹתָם מַסְכִּימִים עַל מַעֲשֶׂה אֶחָד וְלֹא עַל דַּעַת אֶחָת, מִפְּנֵי שֶׁהֵם טְעָנוֹת, יֵשׁ מֵהֶם מַה שֶּׁהֵם יְכוֹלִים לְהַעֲמִיד מוֹפֵת, וּמֵהֶם מַה שֶּׁיַּסְפִּיקוּ בָם, וּמֵהֶם מַה שֶּׁלֹּא יַסְפִּיקוּ בָם, כָּל שֶׁכֵּן שֶׁיַעֲמִידוּ בָם מוֹפֵת.

11. The Rabbi replied: I believe in the God of Abraham, Isaac and Israel, who led the children of Israel out of Egypt with signs and miracles; who fed them in the desert and gave them the land, after having made them traverse the sea and the Jordan in a miraculous way; who sent Moses with His law, and subsequently thousands of prophets, who confirmed His law by promises to the observant, and threats to the disobedient. Our belief is comprised in the Torah--a very large domain. 12. Al Khazari: I had not intended to ask any Jew, because I am aware of their reduced condition and narrow-minded views, as their misery left them nothing commendable. Now shouldst thou, O Jew, not have said that thou believest in the Creator of the world, its Governor and Guide, and in Him who created and keeps thee, and such attributes which serve as evidence for every believer, and for the sake of which He pursues justice in order to resemble the Creator in His wisdom and justice? 13. The Rabbi: That which thou dost express is religion based on speculation and system, the research of thought, but open to many doubts. Now ask the philosophers, and thou wilt find that they do not agree on one action or one principle, since some doctrines can be established by arguments, which are only partially satisfactory, and still much less capable of being proved.

Why it matters — Offers an experiential-historical approach to emunah as distinct from and superior to philosophical proof.

Source 6 · Rishonim
Verified

recovered from “Guide for the Perplexed, Part 1 1:50”

Moreh Nevuchim — Guide for the Perplexed

מורה נבוכים, חלק א'

Guide for the Perplexed, Part 1:1

Rambam defines true emunah not as mere verbal affirmation but as genuine intellectual conviction — to believe something means to have a firm mental representation of it as true. Emunah that is only verbal without inner conviction is not emunah at all.

המונחים צלם ודמות משמעות שגויה של המונח צלם 1 צלם ודמות. אנשים חשבו ש"צלם" בעברית מורה על תבניתו ומתארו של דבר. דבר זה הביא להגשמה גמורה, בגלל הפסוק "נַעֲשֶׂה אָדָם בְּצַלְמֵנוּ כִּדְמוּתֵנוּ" (בראשית א,כו). הם חשבו שהאל הוא בצורת אדם, כלומר בתבניתו ובמתארו, והדבר הוביל אותם להגשמה גמורה. על כן הם האמינו בה, וסברו שאם ייטשו את האמונה הזו הם יכחישו את הכתוב, ואף ישללו את קיומו של האל אם אין לו גוף בעל פנים ויד הדומים לאלה שלהם בתבנית ובמתאר; אלא שהם מדמים שהוא גדול וזוהר יותר, וגם אינו עשוי מדם ומבשר. זהו שיא רוממותו של האל, לפי סברתם.

They adhered faithfully to this view, and thought that if they were to relinquish it they would in so reject the truth of the Bible: and further, if they did not conceive God as having a body possessed of face and limbs, similar to their own in appearance, they would have to deny even the existence of God.

Why it matters — The philosophical Rishon definition of emunah: an intellectual, not merely emotional, act of conviction.

Source 7 · Rishonim
Verified

recovered from “Duties of the Heart, Sha'ar HaBitachon, Introduction”

Chovot HaLevavot — Sha'ar HaBitachon

חובות הלבבות, שער רביעי - שער הביטחון, הקדמה

Duties of the Heart, Fourth Treatise on Trust, Introduction 3-4

Rabbeinu Bachya ibn Paquda opens the Gate of Trust by distinguishing emunah (belief/faith) as the necessary precondition for bitachon (trust/reliance). One cannot genuinely rely on God without first having firm emunah in His oneness, power, and providence.

מֵהֶן מְנוּחַת נַפְשׁוֹ וּבִטְחוֹנוֹ עַל אֱלֹהָיו יִתְבָּרַךְ כְּמוֹ שֶׁהָעֶבֶד חַיָּב לִבְטֹחַ עַל אֲדוֹנָיו מִפְּנֵי שֶׁאִם אֵינֶנּוּ בּוֹטֵחַ בֵּאלֹהִים בּוֹטֵחַ בְּזוּלָתוֹ וּמִי שֶׁבּוֹטֵחַ בְּזוּלַת יְיָ מֵסִיר הָאֱלֹהִים הַשְׁגָּחָתוֹ מֵעָלָיו וּמַנִּיחַ אוֹתוֹ בְּיַד מִי שֶׁבָּטַח עָלָיו וְיִהְיֶה כְּמִי שֶׁנֶּאֱמַר בּוֹ (ירמיה ב יג) כִּי שְׁתַּיִם רָעוֹת עָשָׂה עַמִּי אֹתִי עָזְבוּ מְקוֹר מַיִם חַיִּים לַחְצֹב לָהֶם בֹּארוֹת בֹּארֹת נִשְׁבָּרִים וְגוֹ׳, וְאָמַר (תהלים קו כ) וַיָּמִירוּ אֶת כְּבוֹדָם בְּתַבְנִית שׁוֹר אֹכֵל עֵשֶׂב, וְאָמַר הַכָּתוּב (ירמיה יז ז) בָּרוּךְ הַגֶּבֶר אֲשֶׁר יִבְטַח בַּה׳ וְהָיָה ה׳ מִבְטַחוֹ, וְאָמַר (תהלים מ ה) אַשְׁרֵי הַגֶּבֶר אֲשֶׁר שָׂם ה׳ מִבְטַחוֹ וְלֹא פָנָה אֶל רְהָבִים וְשָׂטֵי כָזָב, וְאָמַר (ירמיה יז ה) אָרוּר הַגֶּבֶר אֲשֶׁר יִבְטַח בָּאָדָם וְשָׂם בָּשָׂר זְרֹעוֹ וּמִן ה׳ יָסוּר לִבּוֹ. וְאִם יִבְטַח עַל חָכְמָתוֹ וְתַחְבּוּלוֹתָיו וְכֹחַ גּוּפוֹ וְהִשְׁתַּדְּלוּתוֹ יִיגַע לָרִיק וְיֶחֱלָשׁ כֹּחוֹ וְתִקְצַר תַּחְבּוּלָתוֹ מֵהַשִּׂיג חֶפְצוֹ כְּמוֹ שֶׁאָמַר הַכָּתוּב (איוב ה יג) לוֹכֵד חֲכָמִים בְּעָרְמָם, וְאָמַר (קהלת ט יא) שַׁבְתִּי וְרָאֹה תַחַת הַשֶּׁמֶשׁ, כִּי לֹא לַקַּלִּים הַמֵּרוֹץ וְלֹא לַגִּבּוֹרִים הַמִּלְחָמָה וְגוֹ׳, וְאָמַר (תהלים לד יא) כְּפִירִים רָשׁוּ וְרָעֵבוּ וְדֹרְשֵׁי ה׳ וְגוֹ׳.

Among them, peace of mind, and trusting in G-d as a servant must trust in his master, because if one does not place his trust in G-d, he will place his trust in something else, and whoever trusts in something other than G-d, the Al-mighty will remove His providence from such a person, and leave him in the hands of the one he trusted, and he will be as it was written: "For My people have committed two evils; they have forsaken Me, the spring of living waters, to dig for themselves cisterns, broken cisterns that do not hold water" (Yirmiya 2:13), "They exchanged their Glory for the likeness of an ox eating grass" (Tehilim 106:20),"Blessed is the man who trusts in the L-ord; the L-ord shall be his refuge" (Yirmiya 17:7), "Praiseworthy is the man who made the L-ord his trust, and did not turn to the haughty and those who turn to falsehood." (Tehilim 40:5), "Cursed is the man who trusts in man, who makes flesh his strength and whose heart turns away from the L-ord" (Yirmiya 17:5). If he places his trust in his wisdom and tactics, physical strength and industriousness - he will toil for nothing, his strength will weaken, and his tactics will fall short of accomplishing his desire, as written "He traps the wise with their own cunning" (Iyov 5:13) , and "I returned and saw under the sun, that the race does not belong to the swift, nor the war to the mighty; neither do the wise have bread, [nor do the understanding have wealth, nor the knowledgeable, favor for time and chance happens to them all]" (Koheles 9:11), and "Young lions suffer want and are hungry, but those who seek the L-ord lack no good" (Tehilim 34:11).

Why it matters — The Rishonim's most systematic treatment of emunah as the foundation of inner religious life.

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