Contradiction with Matthew 6:19-20
Advises against laying up earthly treasures, emphasizing heavenly treasures instead, which contradicts the material prosperity implied in Proverbs 3:10.
Matthew 6:19-20: Lay not up for yourselves treasures upon earth, where moth and rust doth corrupt, and where thieves break through and steal:
Contradiction with Luke 6:20
Declares the poor as blessed and heirs of God's kingdom, in contrast to the material abundance suggested by Proverbs 3:10.
Luke 6:20: And he lifted up his eyes on his disciples, and said, Blessed [be ye] poor: for yours is the kingdom of God.
Contradiction with James 1:9-10
Exhorts the lowly brother to rejoice in exaltation and the rich in humiliation, opposing the wealth and prosperity theme in Proverbs 3:10.
James 1:9-10: Let the brother of low degree rejoice in that he is exalted: [rejoice: or, glory]
Contradiction with 1 Timothy 6:17-19
Warns against trusting in uncertain riches and stresses doing good works, whereas Proverbs 3:10 suggests material wealth as a reward.
1 Timothy 6:17-19: Charge them that are rich in this world, that they be not highminded, nor trust in uncertain riches, but in the living God, who giveth us richly all things to enjoy; [uncertain...: Gr. uncertainty of riches]
Contradiction with Matthew 19:21
Advises selling possessions and giving to the poor for heavenly treasures, contradicting the promise of abundant material wealth in Proverbs 3:10.
Matthew 19:21: Jesus said unto him, If thou wilt be perfect, go [and] sell that thou hast, and give to the poor, and thou shalt have treasure in heaven: and come [and] follow me.
Contradiction with Luke 16:13
States that one cannot serve both God and riches, while Proverbs 3:10 suggests blessings manifest as material wealth.
Luke 16:13: No servant can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other. Ye cannot serve God and mammon.