These sources explore teshuvah as profound spiritual transformation and renewal of the soul, drawing on classical rabbinic teachings from the Rambam, Rabbeinu Yonah, and Talmudic sages, as well as Hasidic and Kabbalistic perspectives that frame repentance as a joyful homecoming and elevation of the self.
חַדֵּשׁ יָמֵינוּ כְּקֶדֶם
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Lamentations 5:21
'Return us to You, O Lord, and we shall return; renew our days as of old' — the closing plea of Lamentations, which frames teshuvah as both divine initiative and human renewal, a verse Rav Kook frequently cites.
הֲשִׁיבֵ֨נוּ יְהֹוָ֤ה ׀ אֵלֶ֙יךָ֙ (ונשוב) [וְֽנָשׁ֔וּבָה] חַדֵּ֥שׁ יָמֵ֖ינוּ כְּקֶֽדֶם׃
Take us back, O ETERNAL One, to Yourself, And let us come back; Renew our days as of old!
Psalms 51
David's great psalm of repentance after sin, crying out 'Create in me a pure heart, O God, and renew a steadfast spirit within me' — the foundational biblical expression of teshuvah as inner renewal and rebirth of the soul.
לֵ֣ב טָ֭הוֹר בְּרָא־לִ֣י אֱלֹהִ֑ים וְר֥וּחַ נָ֝כ֗וֹן חַדֵּ֥שׁ בְּקִרְבִּֽי׃ אַל־תַּשְׁלִיכֵ֥נִי מִלְּפָנֶ֑יךָ וְר֥וּחַ קׇ֝דְשְׁךָ֗ אַל־תִּקַּ֥ח מִמֶּֽנִּי׃ הָשִׁ֣יבָה לִּ֭י שְׂשׂ֣וֹן יִשְׁעֶ֑ךָ וְר֖וּחַ נְדִיבָ֣ה תִסְמְכֵֽנִי׃
Fashion a pure heart for me, O God; create in me a steadfast spirit. Do not cast me out of Your presence, or take Your holy spirit away from me. Let me again rejoice in Your help; let a vigorous spirit sustain me.
Yoma 86b
The famous Talmudic teaching that when teshuvah is performed out of love, intentional transgressions (zdonot) are transformed into merits (zekhuyot) — a foundation for Rav Kook's vision of teshuvah as transformative renewal rather than mere erasure.
אָמַר רֵישׁ לָקִישׁ: גְּדוֹלָה תְּשׁוּבָה שֶׁזְּדוֹנוֹת נַעֲשׂוֹת לוֹ כִּשְׁגָגוֹת, שֶׁנֶּאֱמַר: ״שׁוּבָה יִשְׂרָאֵל עַד ה׳ אֱלֹהֶיךָ כִּי כָשַׁלְתָּ בַּעֲוֹנֶךָ״, הָא ״עָוֹן״ — מֵזִיד הוּא, וְקָא קָרֵי לֵיהּ מִכְשׁוֹל. אִינִי?! וְהָאָמַר רֵישׁ לָקִישׁ: גְּדוֹלָה תְּשׁוּבָה שֶׁזְּדוֹנוֹת נַעֲשׂוֹת לוֹ כִּזְכִיּוֹת, שֶׁנֶּאֱמַר: ״וּבְשׁוּב רָשָׁע מֵרִשְׁעָתוֹ וְעָשָׂה מִשְׁפָּט וּצְדָקָה עֲלֵיהֶם (חָיֹה) יִחְיֶה״! לָא קַשְׁיָא: כָּאן מֵאַהֲבָה, כָּאן מִיִּרְאָה.
Reish Lakish said: Great is repentance, as the penitent’s intentional sins are counted for him as unwitting transgressions, as it is stated: “Return, Israel, to the Lord your God, for you have stumbled in your iniquity” (Hosea 14:2). The Gemara analyzes this: Doesn’t “iniquity” mean an intentional sin? Yet the prophet calls it stumbling, implying that one who repents is considered as though he only stumbled accidentally in his transgression. The Gemara asks: Is that so? Didn’t Reish Lakish himself say: Great is repentance, as one’s intentional sins are counted for him as merits, as it is stated: “And when the wicked turns from his wickedness, and does that which is lawful and right, he shall live thereby” (Ezekiel 33:19), and all his deeds, even his transgressions, will become praiseworthy? The Gemara reconciles: This is not difficult: Here, when one repents out of love, his sins become like merits; there, when one repents out of fear, his sins are counted as unwitting transgressions.
Mishneh Torah, Repentance 2:4
The Rambam defines complete teshuvah as the inner transformation of the person — they must become 'another person' (adam acher), attesting to a new self rather than mere regret, a teaching Rav Kook builds upon in Orot HaTeshuvah.
מִדַּרְכֵי הַתְּשׁוּבָה לִהְיוֹת הַשָּׁב צוֹעֵק תָּמִיד לִפְנֵי הַשֵּׁם בִּבְכִי וּבְתַחֲנוּנִים וְעוֹשֶׂה צְדָקָה כְּפִי כֹּחוֹ וּמִתְרַחֵק הַרְבֵּה מִן הַדָּבָר שֶׁחָטָא בּוֹ וּמְשַׁנֶּה שְׁמוֹ כְּלוֹמַר אֲנִי אַחֵר וְאֵינִי אוֹתוֹ הָאִישׁ שֶׁעָשָׂה אוֹתָן הַמַּעֲשִׂים וּמְשַׁנֶּה מַעֲשָׂיו כֻּלָּן לְטוֹבָה וּלְדֶרֶךְ יְשָׁרָה וְגוֹלֶה מִמְּקוֹמוֹ.
as if to say "I am a different person and not the same one who sinned;" e) to change his behavior in its entirety to the good and the path of righteousness; and f) to travel in exile from his home.
Sha'arei Teshuvah 1:1
Rabbeinu Yonah opens with the nature of teshuvah as restoration of the soul's original purity, outlining the spiritual components of genuine return and the soul's capacity to be completely renewed through sincere repentance.
וְהִתְבָּאֵר בַּתּוֹרָה, כִּי יַעֲזֹר ה' לַשָּׁבִים כַּאֲשֶׁר אֵין יַד טִבְעָם מַשֶּׂגֶת וִיחַדֵּשׁ בְּקִרְבָּם רוּחַ טְהוֹרָה לְהַשִּׂיג מַעֲלַת אַהֲבָתוֹ, שֶׁנֶּאֱמַר (דברים ל, ב): "וְשַׁבְתָּ עַד ה' אֱלֹהֶיךָ וְשָׁמַעְתָּ בְקֹלוֹ כְּכֹל אֲשֶׁר אָנֹכִי מְצַוְּךָ הַיּוֹם אַתָּה וּבָנֶיךָ בְּכָל לְבָבְךָ וּבְכָל נַפְשֶׁךָ". וְאוֹמֵר בְּסוֹף הָעִנְיָן (דברים ל, ו):
return to the Lord your God and obey Him." It is explained in the Torah that God will help those who repent beyond what their natural ability would allow; and that He renews a pure spirit within them, to reach great heights in His love - as it is stated (Deuteronomy 30:2), "And you return to the Lord your God, and you and your children heed His command with all your heart and soul just as I enjoin upon you this day." Further, it is stated about the body of the matter (Deuteronomy 30:6), "Then the Lord, your God, will circumcise your heart and the hearts of your offspring," to acquire love for Him.
Mishneh Torah, Repentance 7:6-7
Rambam describes how teshuvah brings a person close to the Shekhinah and declares that the ba'al teshuvah reaches a level that even the perfectly righteous cannot attain — deliberate sins become merits through the power of return.
גְּדוֹלָה תְּשׁוּבָה שֶׁמְּקָרֶבֶת אֶת הָאָדָם לַשְּׁכִינָה שֶׁנֶּאֱמַר (הושע יד ב) "שׁוּבָה יִשְׂרָאֵל עַד ה' אֱלֹהֶיךָ". וְנֶאֱמַר (עמוס ד ו) "וְלֹא שַׁבְתֶּם עָדַי נְאֻם ה'". וְנֶאֱמַר (ירמיה ד א) "אִם תָּשׁוּב יִשְׂרָאֵל נְאֻם ה' אֵלַי תָּשׁוּב". כְּלוֹמַר אִם תַּחֲזֹר בִּתְשׁוּבָה בִּי תִּדְבַּק. הַתְּשׁוּבָה מְקָרֶבֶת אֶת הָרְחוֹקִים. אֶמֶשׁ הָיָה זֶה שָׂנאוּי לִפְנֵי הַמָּקוֹם מְשֻׁקָּץ וּמְרֻחָק וְתוֹעֵבָה. וְהַיּוֹם הוּא אָהוּב וְנֶחְמָד קָרוֹב וְיָדִיד. וְכֵן אַתָּה מוֹצֵא שֶׁבְּלָשׁוֹן שֶׁהַקָּדוֹשׁ בָּרוּךְ הוּא מַרְחִיק הַחוֹטְאִים בָּהּ מְקָרֵב אֶת הַשָּׁבִים בֵּין יָחִיד בֵּין רַבִּים. שֶׁנֶּאֱמַר (הושע ב א) "וְהָיָה בִּמְקוֹם אֲשֶׁר יֵאָמֵר לָהֶם לֹא עַמִּי אַתֶּם יֵאָמֵר לָהֶם בְּנֵי אֵל חָי". וְנֶאֱמַר בִּיכָנְיָהוּ בְּרִשְׁעָתוֹ (כְּתֹב) [כִּתְבוּ] (ירמיה כב ל) "אֶת הָאִישׁ הַזֶּה עֲרִירִי גֶּבֶר לֹא יִצְלַח בְּיָמָיו", (ירמיה כב כד) "אִם יִהְיֶה כָּנְיָהוּ בֶּן יְהוֹיָקִים מֶלֶךְ יְהוּדָה חוֹתָם עַל יַד יְמִינִי" וְגוֹ'. וְכֵיוָן שֶׁשָּׁב בְּגָלוּתוֹ נֶאֱמַר בִּזְרֻבָּבֶל בְּנוֹ (חגי ב כג) "בַּיּוֹם הַהוּא נְאֻם ה' צְבָאוֹת אֶקָּחֲךָ זְרֻבָּבֶל בֶּן שְׁאַלְתִּיאֵל עַבְדִּי נְאֻם ה' וְשַׂמְתִּיךָ כַּחוֹתָם": כַּמָּה מְעֻלָּה מַעֲלַת הַתְּשׁוּבָה. אֶמֶשׁ הָיָה זֶה מֻבְדָּל מֵה' אֱלֹהֵי יִשְׂרָאֵל שֶׁנֶּאֱמַר (ישעיה נט ב) "עֲוֹנוֹתֵיכֶם הָיוּ מַבְדִּלִים בֵּינֵכֶם לְבֵין אֱלֹהֵיכֶם". צוֹעֵק וְאֵינוֹ נַעֲנֶה שֶׁנֶּאֱמַר (ישעיה א טו) "כִּי תַרְבּוּ תְפִלָּה" וְגוֹ'. וְעוֹשֶׂה מִצְוֹת וְטוֹרְפִין אוֹתָן בְּפָנָיו שֶׁנֶּאֱמַר (ישעיה א יב) "מִי בִקֵּשׁ זֹאת מִיֶּדְכֶם רְמֹס חֲצֵרָי", (מלאכי א י) "מִי גַם בָּכֶם וְיִסְגֹּר דְּלָתַיִם" וְגוֹ'. וְהַיּוֹם הוּא מֻדְבָּק בַּשְּׁכִינָה שֶׁנֶּאֱמַר (דברים ד ד) "וְאַתֶּם הַדְּבֵקִים בַּה' אֱלֹהֵיכֶם". צוֹעֵק וְנַעֲנֶה מִיָּד שֶׁנֶּאֱמַר (ישעיה סה כד) "וְהָיָה טֶרֶם יִקְרָאוּ וַאֲנִי אֶעֱנֶה". וְעוֹשֶׂה מִצְוֹת וּמְקַבְּלִין אוֹתָן בְּנַחַת וְשִׂמְחָה שֶׁנֶּאֱמַר (קהלת ט ז) "כִּי כְבָר רָצָה הָאֱלֹהִים אֶת מַעֲשֶׂיךָ". וְלֹא עוֹד אֶלָּא שֶׁמִּתְאַוִּים לָהֶם שֶׁנֶּאֱמַר (מלאכי ג ד) "וְעָרְבָה לַה' מִנְחַת יְהוּדָה וִירוּשָׁלםִ כִּימֵי עוֹלָם וּכְשָׁנִים קַדְמֹנִיּוֹת":
Teshuvah is great for it draws a man close to the Shechinah as [Hoshea 14:2] states: "Return, O Israel, to God, your Lord;" [Amos 4:6] states: "`You have not returned to Me,' declares God;" and [Jeremiah 4:1] states: "`If, you will return, O Israel,' declares God, `You will return to Me.'" Implied is that if you will return in Teshuvah, you will cling to Me. Teshuvah brings near those who were far removed. Previously, this person was hated by God, disgusting, far removed, and abominable. Now, he is beloved and desirable, close, and dear. Similarly, we find God employs the same expression with which He separates [Himself] from the sinners to draw close those who repent. [Hoshea 2:1] states: "Instead of saying to you: `You are not My nation,' He will tell you: `You are the children of the living God.'” [Also, Jeremiah] speaks of Yecheniah while he was wicked [with the expression (22:30)]: "Write down this man as childless, a man who shall never prosper in his days," and [22:24]: "Would Cheniah, the son of Yehoyakim, king of Judah, be the signet ring on My right hand, I would tear him off." However, after he repented when in exile, [Chaggai 2:23] said concerning Zerubavel, his son: "'On that day,' declares the God of Hosts, `I will take you, Zerubavel, the son of Shaltiel, My servant,' declares God, `and I will place you as a signet ring.'" How exalted is the level of Teshuvah! Previously, the [transgressor] was separate from God, the Lord of Israel, as [Isaiah 59:2] states: "Your sins separate between you and your God." He would call out [to God] without being answered as [Isaiah 1:15] states: "Even if you pray many times, I will not hear." He would fulfill mitzvot, only to have them crushed before him as [Isaiah 1:12] states: "Who asked this from you, to trample in My courts," and [Malachi 1:10] states: "`O were there one among you who would shut the doors that you might not kindle fire on My altar for no reason! I have no pleasure in you,' says the God of Hosts, `nor will I accept an offering from your hand.'” Now, he is clinging to the Shechinah as [Deuteronomy 4:4] states: "And you who cling to God, your Lord." He calls out [to God] and is answered immediately as [Isaiah 65:24] states: "Before, you will call out, I will answer." He fulfills mitzvot and they are accepted with pleasure and joy as [Ecclesiastes 9:7] states, "God has already accepted your works," moreover, [G‑d] desires them, as [Malachi 3:4] states: "Then, shall the offering of Judah and Jerusalem be pleasing to God as in days of old and as in the former years."
Mesillat Yesharim 4
The Ramchal describes the soul's constant need for vigilant self-examination as the prerequisite for teshuvah — only one who honestly sees their spiritual state can undertake genuine renewal, building the ethical groundwork that Rav Kook spiritualizes.
, נֶעֱנַשׁ, שֶׁנִּכְשַׁל בִּדְבַר עֻזָּא וְנִתְעַרְבְּבָה שִׂמְחָתוֹ (סוטה לה). מִיכְל, לְפִי שֶׁהוֹכִיחָה אֶת דָּוִד בַּמֶּה שֶׁרָקַד בַּחוּץ לִפְנֵי הָאָרוֹן, נֶעֶנְשָׁה שֶׁלֹּא הָיָה לָהּ וָלָד אֶלָּא בְּמוֹתָהּ (שמואל ב ו). חִזְקִיָּהוּ, לְפִי שֶׁהֶרְאָה אֶל שָׂרֵי מֶלֶךְ בָּבֶל אֶת בֵּית נְכֹתֹה, נִגְזַר עַל בָּנָיו לִהְיוֹת סָרִיסִים בְּהֵיכַל מֶלֶךְ בָּבֶל (מלכים ב כ).
Generally, that which brings a person to watchfulness is the study of Torah as Rabbi Pinchas ben Yair stated in the Beraitha: "Torah brings to Watchfulness." But that which, in particular, brings one to watchfulness is contemplation on the severity of the service which a man is obligated in and the depth of judgment incurred for it. This realization comes from studying the events reported in the holy books, and from studying the statements of our Sages of blessed memory which rouse one on this.
Tomer Devorah 1:1
Rav Moshe Cordovero expounds on teshuvah through the lens of the thirteen divine attributes of mercy, showing how God's infinite capacity for renewal and forgiveness is the model for the human soul's own return and regeneration.
הָאָדָם רָאוּי שֶׁיִּתְדַּמֶּה לְקוֹנוֹ וְאָז יִהְיֶה בְּסוֹד הַצּוּרָה הָעֶלְיוֹנָה צֶלֶם וּדְמוּת, שֶׁאִלּוּ יְדֻמֶּה בְּגוּפוֹ וְלֹא בִּפְעֻלּוֹת הֲרֵי הוּא מַכְזִיב הַצּוּרָה וְיֹאמְרוּ עָלָיו צוּרָה נָאָה וּמַעֲשִׂים כְּעוּרִים. שֶׁהֲרֵי עִיקָר הַצֶּלֶם וְהַדְּמוּת הָעֶלְיוֹן הֵן פְּעֻלּוֹתָיו, וּמַה יוֹעִיל לוֹ הֱיוֹתוֹ כְּצוּרָה הָעֶלְיוֹנָה דְּמוּת תַּבְנִית אֵבָרָיו וּבַפְּעֻלּוֹת לֹא יִתְדַמֶּה לְקוֹנוֹ. לְפִיכָךְ רָאוּי שֶׁיִּתְדַּמֶּה אֶל פְּעֻלּוֹת הַכֶּתֶר שֶׁהֵן י"ג מִדּוֹת שֶׁל רַחֲמִים עֶלְיוֹנוֹת. וּרְמוּזוֹת בְּסוֹד הַפְּסוּקִים (מיכה ז, יח) מִי אֵל כָּמוֹךָ. יָשׁוּב יְרַחֲמֵנוּ.
Chapter 1 - That it is fitting for a person to resemble his Creator: It is fitting for a person to resemble his Creator and then he will be [configured] in the secret of the Highest Form, [both] in image and likeness. As if he is alike in his body but not in his actions, he betrays the Form; and they will say about him, "A lovely form, but ugly deeds." As behold, the essence of the Highest Image and Likeness is His actions. And what will it benefit him to have the structure of his limbs like the Highest Form, but not resemble his Creator in his actions? Therefore it is fitting that he should [make his actions] resemble the actions of the Crown (Keter), which are the thirteen highest traits of mercy.
Kedushat Levi, Deuteronomy, For Rosh HaShanah 1
Reb Levi Yitzchak of Berditchev teaches that teshuvah performed with joy and love is on a higher plane than teshuvah of fear — the soul's return to God should be experienced as a homecoming of love, anticipating Rav Kook's joyful, life-affirming vision of repentance.
הכלל הוא, כי בראש חודש אלול השם יתברך מגלה אלהותו ומלכותו לנשמת ישראל וכי הוא מנהיג את כל העולמות בחסדו הגדול וישראל עם קדושו ממליכים עול מלכותו עליהם.
Orot HaTeshuvah
Rav Kook develops the idea that the divine light within the soul is inextinguishable — even after sin, the soul retains its holy core, and teshuvah is the process of that inner light breaking through to full expression.
מתוך מרירות נפשית זו באה התשובה כרטיה של רופא אמן. הרגשת התשובה ועומק ידיעתה, סמיכותה הגדולה בעומק הנפש, בסתר הטבע, ובכל חדרי התורה, האמונה והמסורת, בכל כחה היא באה וזורמת בתוך נפשו. בטחון עוז ברפואה. בתחיה הכוללת, שהתשובה מושיטה לכל הדבקים בה, מעביר עליו רוח חן ותחנונים, "כאיש אשר אמו תנחמנו כן אנכי אנחמכם" (ישעיהו סו יג). מרגיש הוא ובכל יום ויום שעובר עליו, בהסכמת תשובה עילאה וכללית זו. הרגשתו נעשית יותר בטוחה, יותר מחוורת, יותר מוארה באור השכל, ויותר מתבארת על פי יסודי תורה. והנה הוא הולך ונוהר, פני הזעם חלפו, אור רצון בא וזורח, הוא מתמלא עוז, עיניו מתמלאות אש קדש. לבבו כולו נטבל בנחלי עדנים, קדושה וטהרה חופפות עליו. אהבה אין קץ מלא כל רוחו, נפשו צמאה לד', וכמו חלב ודשן תשבע מצמאונה זה גופא, רוח הקדש מקשקשת לפניו כזוג והוא מבושר שנמחו כל פשעיו, הידועים ושאינם ידועים, שהוא נברא מחדש בריה חדשה, שכל העולם כולו וכל העולמים התחדשו עמו, והכל אומר שירה, חדות ד' מלא כל. "גדולה תשובה שמביאה רפואה לעולם, ואפילו יחיד שעשה תשובה מוחלין לו ולעולם כולו" (יומא פו א).
(5) From the midst of this bitterness of the soul Teshuvah comes like the prescription of a master doctor. The feeling of Teshuvah flowers into the soul of person along with all of Teshuvah's power, the depth of intimate knowledge, the great basis of teshuvah in the roots of the soul, in the mysteries of nature, and in the chambers of the Torah, faith, and tradition. Through the total revival that Teshuvah extends to all those who embrace it, Teshuvah brings upon a person a spirit of grace and supplication "As a man whose mother comforted us, so will I comfort you" (Isaiah 66:13). A person can feel this each and every day that this supernal and encompassing teshuvah overcomes them. One's sensation becomes increasingly secure, more connected, more enlightened by the light of the mind, and more enlightened according to the basics of Torah. Behold, you walk and shine with light, anger dissipates, light of the will comes and illuminates, and you are filled with strength as your eyes fill with holy fire. Your heart is entirely immersed in rivers of delight, holiness and purity surround. Endless love fills the spirit as milk and oil satisfy thirst of the body, the holy spirit is adorned before you as a partner and you are told that all your wrongdoings have been wiped away, the known and unknown. You become a new creature along with all of the worlds which are renewed and everything erupts in song filled with joy of G-d. “Great is Teshuva which brings healing to the world, even if an individual does Teshuvah he is forgiven and the whole world is forgiven.
Orot HaTeshuvah 1:1
Rav Kook opens by describing teshuvah as a cosmic, natural force embedded in existence itself — not merely a religious obligation but the soul's innate drive to return to its divine source and wholeness.
תשובה טבעית, אמונית, שכלית
Teshuva of Nature, Faith, and Intellect
Orot HaTeshuvah, Orot HaTeshuvah 4
Rav Kook describes teshuvah as a creative renewal of the self — the penitent does not merely erase the past but transforms it, with former sins becoming the very fuel for spiritual elevation and new life.