כָּֽל־דַּרְכֵי־אִ֭ישׁ זַ֣ךְ בְּעֵינָ֑יו וְתֹכֵ֖ן רוּח֣וֹת יְהוָֽה׃
All the ways of a man are clean in his own eyes; But the LORD weigheth the spirits.
Rashi on Proverbs
but the Lord counts the spirits and counts the hearts; who is the good one, and who is the bad one.