Contradiction with Matthew 5:22
Luke 11:40 implies a rebuke towards foolishness, whereas Matthew 5:22 warns against calling someone a fool.
Matthew 5:22: But I say unto you, That whosoever is angry with his brother without a cause shall be in danger of the judgment: and whosoever shall say to his brother, Raca, shall be in danger of the council: but whosoever shall say, Thou fool, shall be in danger of hell fire. [Raca: that is, Vain fellow]
Contradiction with Proverbs 9:10
Proverbs states that the fear of the Lord is the beginning of wisdom, contradicting the notion in Luke 11:40 that people are void of wisdom.
Proverbs 9:10: The fear of the LORD [is] the beginning of wisdom: and the knowledge of the holy [is] understanding.
Contradiction with Ecclesiastes 7:25
Suggests seeking out wisdom, which contradicts the critique in Luke 11:40 about being without it.
Ecclesiastes 7:25: I applied mine heart to know, and to search, and to seek out wisdom, and the reason [of things], and to know the wickedness of folly, even of foolishness [and] madness: [I applied...: Heb. I and mine heart compassed]
Contradiction with 1 Corinthians 3:18
Advises becoming a fool in the worldly sense to gain true wisdom, which contrasts with the idea in Luke 11:40 of being admonished for foolishness.
1 Corinthians 3:18: Let no man deceive himself. If any man among you seemeth to be wise in this world, let him become a fool, that he may be wise.
Contradiction with James 1:5
Offers wisdom to those who ask God, contrasting with the complaint of lack of wisdom in Luke 11:40.
James 1:5: If any of you lack wisdom, let him ask of God, that giveth to all [men] liberally, and upbraideth not; and it shall be given him.