Job 22:2
Can a man be profitable unto God, as he that is wise may be profitable unto himself?
Cross-reference
Job 21:15 voices the wicked's question about gain from serving God, directly paralleling Eliphaz's rhetorical question.
Job 35:6-8 expands on the same idea: human sin or righteousness does not affect God, only other people.
Job 35:7 asks the same question: what does God receive from human righteousness? Directly parallel.
Job 41:11 declares no one can give to God, as everything is His—reinforcing that humans cannot profit God.
In Proverbs 9:12, the same principle appears: wisdom benefits the wise person himself, not God.
Acts 17:25 echoes that God needs nothing from humans — He gives life and breath, not receiving service as if He needed it.
1 Corinthians 2:16 asks who has instructed the Lord — no one can teach God, paralleling the idea that man cannot profit God.
Luke 17:10 teaches that servants only do their duty, echoing the idea that humans cannot bring extra benefit to God.