אָ֥֨ז יָ֘שׁ֤וּבוּ אוֹיְבַ֣י אָ֭חוֹר בְּי֣וֹם אֶקְרָ֑א זֶה־יָ֝דַ֗עְתִּי כִּֽי־אֱלֹהִ֥ים לִֽי׃
Then shall mine enemies turn back in the day that I call; This I know, that God is for me.
Read midrashic interpretation of Psalms 56:10: and classical rabbinic exegesis.