Contradiction with Matthew 6:19-20
Proverbs 7:2 says to keep my commandments and live, putting emphasis on adherence to God's law for life, whereas Matthew 6:19-20 emphasizes storing treasures in heaven rather than following earthly rules or wisdom.
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 Romans 3:28
Proverbs 7:2 suggests life comes through keeping the commandments, while Romans 3:28 states a person is justified by faith without the deeds of the law.
Romans 3:28: Therefore we conclude that a man is justified by faith without the deeds of the law.
Contradiction with Galatians 5:4
Proverbs 7:2 promotes adherence to commands for life, though Galatians 5:4 speaks of being fallen from grace by trying to be justified by the law.
Galatians 5:4: Christ is become of no effect unto you, whosoever of you are justified by the law; ye are fallen from grace.
Contradiction with Romans 7:6
Proverbs 7:2 emphasizes following commandments for life, but Romans 7:6 mentions being delivered from the law so that we should serve in newness of spirit.
Romans 7:6: But now we are delivered from the law, that being dead wherein we were held; that we should serve in newness of spirit, and not [in] the oldness of the letter. [that being...: or, being dead to that]
Contradiction with Galatians 3:10
Proverbs 7:2 says to keep commandments and live, yet Galatians 3:10 warns that those who rely on the law are under a curse.
Galatians 3:10: For as many as are of the works of the law are under the curse: for it is written, Cursed [is] every one that continueth not in all things which are written in the book of the law to do them.