Contradiction with Matthew 6:3
John 4:16 shows Jesus addressing a woman directly and revealing her private matters, whereas Matthew 6:3 instructs to keep actions private without letting the left hand know what the right is doing, implying discretion in personal matters.
Matthew 6:3: But when thou doest alms, let not thy left hand know what thy right hand doeth:
Contradiction with 1 Corinthians 2:11
John 4:16 has Jesus understanding hidden aspects of the woman's life, while 1 Corinthians 2:11 suggests that no one can know the thoughts of a person except the person's own spirit.
1 Corinthians 2:11: For what man knoweth the things of a man, save the spirit of man which is in him? even so the things of God knoweth no man, but the Spirit of God.
Contradiction with Proverbs 25:9
John 4:16 exposes the woman's personal life publicly when giving her the truth, but Proverbs 25:9 advises resolving disputes privately.
Proverbs 25:9: Debate thy cause with thy neighbour [himself]; and discover not a secret to another: [a secret...: or, the secret of]
Contradiction with 1 Samuel 16:7
John 4:16 reveals Jesus knowing about someone's true life circumstances, yet 1 Samuel 16:7 emphasizes that humans cannot look upon the heart as God does - only God sees the true character, suggesting people cannot know others' internal truths.
1 Samuel 16:7: But the LORD said unto Samuel, Look not on his countenance, or on the height of his stature; because I have refused him: for [the LORD seeth] not as man seeth; for man looketh on the outward appearance, but the LORD looketh on the heart. [outward...: Heb. eyes]
Contradiction with James 1:19
John 4:16 illustrates Jesus directly confronting the woman about her life, whereas James 1:19 advises being quick to listen and slow to speak, indicating a more restrained interaction approach.
James 1:19: Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath: