II Samuel 22:21 Philosophy

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 Jewish philosophical commentary on II Samuel 22:21: and classical philosophical sources.