חַטֹּ֤אות נְעוּרַ֨י ׀ וּפְשָׁעַ֗י אַל־תִּ֫זְכֹּ֥ר כְּחַסְדְּךָ֥ זְכָר־לִי־אַ֑תָּה לְמַ֖עַן טוּבְךָ֣ יְהוָֽה׃
Remember not the sins of my youth, nor my transgressions; According to Thy mercy remember Thou me, For Thy goodness' sake, O LORD.
Read kabbalistic (mystical) interpretation of Psalms 25:7: and classical mystical sources.