עָקֹ֥ב הַלֵּ֛ב מִכֹּ֖ל וְאָנֻ֣שׁ ה֑וּא מִ֖י יֵדָעֶֽנּוּ׃
Le cœur est plus que toute chose plein de détours, et iI est malade: qui pourrait le connaître?
Rashi
The heart is deceitful Full of pretext and deceit of all evil.
Rashi
and when it is sick an expression of sickness, and this is its sickness.
Rashi
who recognizes it? He thinks, “Who recognizes it?” I, the Lord, search it.