Contradiction with Proverbs 28:26
This verse suggests trusting in one's own heart is foolish, whereas Psalms 31:1 emphasizes trusting in God for righteousness.
Proverbs 28:26: He that trusteth in his own heart is a fool: but whoso walketh wisely, he shall be delivered.
Contradiction with Isaiah 64:6
This verse describes human righteousness as filthy rags, which contrasts with Psalms 31:1 that speaks to trusting God for righteousness.
Isaiah 64:6: But we are all as an unclean [thing], and all our righteousnesses [are] as filthy rags; and we all do fade as a leaf; and our iniquities, like the wind, have taken us away.
Contradiction with Job 9:20
This verse implies that even the righteous would be declared guilty, contradicting the reliance on God for justification highlighted in Psalms 31:1.
Job 9:20: If I justify myself, mine own mouth shall condemn me: [if I say], I [am] perfect, it shall also prove me perverse.