(ז) לְמִימֵי אֲבֹתֵיכֶם סַרְתֶּם מֵחֻקַּי וְלֹא שְׁמַרְתֶּם שׁוּבוּ אֵלַי וְאָשׁוּבָה אֲלֵיכֶם אָמַר יְהוָה צְבָאוֹת וַאֲמַרְתֶּם בַּמֶּה נָשׁוּב.
(7) From the days of your fathers ye have turned aside From Mine ordinances, and have not kept them. Return unto Me, and I will return unto you, Saith the LORD of hosts. But ye say: ‘Wherein shall we return?’
(ו) גדולה תשובה שמקרבת את האדם לשכינה שנאמר שובה ישראל עד ה' אלהיך
Great is the Teshuvah that brings the man closer to the Shechina, as it is written, "Return, Israel, unto the Lord your God
"Teshuva was put into the world because God knew that humans would get lost and make mistakes. God knew that we would need a way back." -Rabbi Mark Borovitz, "The Holy Thief," Founder of Beit T'shuvah