Contradiction with Matthew 6:19
Proverbs 22:18 emphasizes keeping God's words within one's heart for one's benefit, while Matthew 6:19 warns against laying up treasures on earth, which might be seen as valuing temporal gains instead of eternal spiritual values.
Matthew 6:19: Lay not up for yourselves treasures upon earth, where moth and rust doth corrupt, and where thieves break through and steal:
Contradiction with Ecclesiastes 1:18
Proverbs 22:18 suggests joy in keeping wisdom, whereas Ecclesiastes 1:18 mentions that increased wisdom can bring increased sorrow.
Ecclesiastes 1:18: For in much wisdom [is] much grief: and he that increaseth knowledge increaseth sorrow.
Contradiction with 1 Corinthians 8:1
Proverbs 22:18 speaks positively about having knowledge, while 1 Corinthians 8:1 warns that knowledge can lead to pride.
1 Corinthians 8:1: Now as touching things offered unto idols, we know that we all have knowledge. Knowledge puffeth up, but charity edifieth.
Contradiction with James 1:22
Proverbs 22:18 values internalizing words, but James 1:22 emphasizes being doers of the word and not hearers only, suggesting action over mere retention.
James 1:22: But be ye doers of the word, and not hearers only, deceiving your own selves.