Contradiction with Matthew 5:5
Proverbs 30:31 praises strength and confidence, while Matthew 5:5 exalts the meek as those who will inherit the earth.
Matthew 5:5: Blessed [are] the meek: for they shall inherit the earth.
Contradiction with Matthew 11:29
Proverbs 30:31 admires assertive and strong traits, but Matthew 11:29 highlights the virtue of humility and gentleness.
Matthew 11:29: Take my yoke upon you, and learn of me; for I am meek and lowly in heart: and ye shall find rest unto your souls.