יִגְמְלֵ֥נִי יְהוָ֖ה כְּצִדְקָתִ֑י כְּבֹ֥ר יָדַ֖י יָשִׁ֥יב לִֽי׃
The LORD rewarded me according to my righteousness; According to the cleanness of my hands hath He recompensed me.
Read halakhic rulings (Jewish law) on II Samuel 22:21 from the Mishneh Torah and classical halakhic sources, free online.