Contradiction with Matthew 7:21
John 17:20 emphasizes belief in Jesus through the apostles' word, but Matthew 7:21 states that not everyone who acknowledges Jesus as Lord will enter the kingdom, suggesting actions also matter.
Matthew 7:21: Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven.
Contradiction with James 2:24
While John 17:20 stresses belief, James 2:24 highlights that a person is justified by works and not by faith only, emphasizing the need for both faith and actions.
James 2:24: Ye see then how that by works a man is justified, and not by faith only.
Contradiction with 1 Corinthians 1:12-13
John 17:20 promotes unity in belief through the apostles, but 1 Corinthians 1:12-13 highlights divisions among believers identifying with different apostles or leaders.
1 Corinthians 1:12-13: Now this I say, that every one of you saith, I am of Paul; and I of Apollos; and I of Cephas; and I of Christ.
Contradiction with Matthew 12:30
John 17:20 speaks of unity in belief, but Matthew 12:30 suggests a more divisive stance, indicating that anyone not with Jesus is against him.
Matthew 12:30: He that is not with me is against me; and he that gathereth not with me scattereth abroad.
Contradiction with Luke 11:17
John 17:20 calls for unity among believers through the word of the apostles, while Luke 11:17 points out that a divided house cannot stand, suggesting the risk of division among followers.
Luke 11:17: But he, knowing their thoughts, said unto them, Every kingdom divided against itself is brought to desolation; and a house [divided] against a house falleth.