Contradiction with Jeremiah 17:5
Trusting in man, rather than God, brings a curse, contrasting with seeking favor and understanding from both God and man in Proverbs 3:4.
Jeremiah 17:5: Thus saith the LORD; Cursed [be] the man that trusteth in man, and maketh flesh his arm, and whose heart departeth from the LORD.
Contradiction with Galatians 1:10
Seeking to please men can disqualify one from being a servant of Christ, contradicting the notion of finding favor with both God and man in Proverbs 3:4.
Galatians 1:10: For do I now persuade men, or God? or do I seek to please men? for if I yet pleased men, I should not be the servant of Christ.
Contradiction with 1 John 2:15
Love for the world being against the love of the Father contradicts the idea of gaining favor in the sight of both God and man in Proverbs 3:4.
1 John 2:15: Love not the world, neither the things [that are] in the world. If any man love the world, the love of the Father is not in him.
Contradiction with Luke 6:26
Woe to those praised by all men, as opposed to finding favor with God and man in Proverbs 3:4.
Luke 6:26: Woe unto you, when all men shall speak well of you! for so did their fathers to the false prophets.
Contradiction with John 15:19
Being chosen out of the world by God results in the world's hatred, contradicting finding favor in the sight of all others as suggested in Proverbs 3:4.
John 15:19: If ye were of the world, the world would love his own: but because ye are not of the world, but I have chosen you out of the world, therefore the world hateth you.