יָשׁ֣וּב יְרַֽחֲמֵ֔נוּ יִכְבֹּ֖שׁ עֲוֺֽנֹתֵ֑ינוּ וְתַשְׁלִ֛יךְ בִּמְצֻל֥וֹת יָ֖ם כָּל־חַטֹּאותָֽם׃
He will again have compassion upon us; He will subdue our iniquities; And Thou wilt cast all their sins into the depths of the sea.
Read kabbalistic (mystical) interpretation of Micah 7:19: and classical mystical sources.