Contradiction with Proverbs 24:30-34
Proverbs suggests that hard work and diligence lead to reward, while Matthew 20:5 illustrates workers hired later receiving the same pay, seemingly conflicting with the idea of a reward based on effort.
Proverbs 24:30-34: I went by the field of the slothful, and by the vineyard of the man void of understanding;
Contradiction with 2 Thessalonians 3:10
This verse asserts that if a person will not work, they should not eat, which contrasts with the equal wages given in Matthew 20:5 regardless of time worked.
2 Thessalonians 3:10: For even when we were with you, this we commanded you, that if any would not work, neither should he eat.