מדרש אויף ישעיהו 62:2

וְרָא֤וּ גוֹיִם֙ צִדְקֵ֔ךְ וְכָל־מְלָכִ֖ים כְּבוֹדֵ֑ךְ וְקֹ֤רָא לָךְ֙ שֵׁ֣ם חָדָ֔שׁ אֲשֶׁ֛ר פִּ֥י יְהוָ֖ה יִקֳּבֶֽנּוּ׃

און די פֿעלקער װעלן זען דײַן גערעכטיקײט, און אַלע מלכים דײַן כּבֿוד; און מע װעט דיך רופֿן אַ נײַעם נאָמען, װאָס דאָס מױל פֿון גאָט װעט אים אָנרופֿן.

Pesikta DeRav Kahana

... “For, like the earth, which gives forth its plants…” (Isaiah 61:11) R’ Pinchas and R’ Chilkiya in the name of R’ Simon: like someone who says to his friend ‘may the Holy One make you grow, may you win your judgment, “And nations shall see your righteousness…” (Isaiah 62:2) R’ Levi said: since in this world anyone who explicitly pronounces the name of the Holy One is liable for death, as it says “And one who blasphemously pronounces the Name of the Lord, shall be put to death…” (Leviticus 24:16) so too in the time to come anyone who explicitly pronounces the name of Jerusalem is liable for death, as it says “…and you shall be called a new name…” (Isaiah 62:2) R’ Levi said: there are six things which the Holy One will renew in the time to come and they are: heavens and earth, the heart, the spirit, the name of the Messiah and the name of Jerusalem. From where do we learn the heavens and earth? “For behold, I create new heavens and a new earth…” (Isaiah 65:17) From where do we learn the heart and the spirit? “And I will give you a new heart, and a new spirit will I put within you…” (Ezekiel 36:26) And from where do we learn the name of the Messiah? “May his name be forever; before the sun, his name will be magnified…” (Psalms 72:17) And from where do we learn the name of Jerusalem? “…and you shall be called a new name…” (Isaiah 62:2) R’ Levi said: happy is the city whose name is the same as that of her king and whose king’s name is the same as that of her God. Whose name is the same as her king? “…and the name of the city from that day will be ‘The Lord is There.’” (Ezekiel 48:35) Whose king’s name is the same as that of her God? “…and this is his name that he shall be called, The Lord is our righteousness.” (Jeremiah 23:6)
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Tanna DeBei Eliyahu Rabbah

This is what God said to Israel: My children what do I seek from you? I seek no more than that you love one another, and honor one another, and that you have awe for one another
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Midrash Tehillim

To conquer with melodies. May God have mercy on us and bless us. As it is written (Lamentations 3:22): "The Lord's mercies are not consumed." We know that the mercy of the Holy One, blessed be He, endures forever, and His mercies are not exhausted. His mercy towards us is such that even when the nations of the world say (Psalms 47:5): "Let us destroy them from being a nation," His mercies do not cease upon us. Therefore, it is said: "The Lord's mercies are not consumed," and even greater than this is that You renew us and establish us anew every morning, as it is written (Lamentations 3:23): "They are new every morning." From this we know that Your faithfulness is great to all the inhabitants of the world. And the matter of faith that You spoke with our forefathers, when we came to Babylon, the renewal that You made for us, made it little and it passed. And when Moses saw the kingdom of Greece that oppressed us, he began to pray that it should fall into the hand of the staff of Levi, and he began to say (Deuteronomy 33:11): "Bless, Lord, his strength." Therefore, we say "Bless" with a blessing that blesses Your children, and what blessing do we bless them with? "The Lord bless you and keep you" (Numbers 6:24). And also here, "May God have mercy on us and bless us." And if You do so (Psalms 67:16), You will make known Your strength among the nations, as it is said: "That Your way may be known upon earth, Your salvation among all nations." And the Holy One, blessed be He, does not save Israel through their own actions, but to make known His might and to declare His Name. And Asaph said thus (Psalms 76:2): "In Judah is God known; His name is great in Israel." And it is said (Psalms 77:15): "Thou hast with thine arm redeemed thy people, the sons of Jacob and Joseph." And He saved them for the sake of His Name, to make known His might, so that the nations may not say, "We have prevailed over them." Rather, they will acknowledge Him, as it is said: "Let the people praise Thee, O God; let all the people praise Thee" (Psalms 67:4). And thus it is said (Isaiah 35:1): "For as the earth bringeth forth her shoots." And it is said (Isaiah 43:21): "This people have I formed for Myself; they shall declare My praise."
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