Contradiction with Matthew 15:11
This verse suggests that defilement comes from what comes out of the mouth, not from external factors, while John 15:3 emphasizes cleansing through the word spoken by Jesus.
Matthew 15:11: Not that which goeth into the mouth defileth a man; but that which cometh out of the mouth, this defileth a man.
Contradiction with Mark 7:15
Similar to Matthew 15:11, it indicates defilement is from within, which contrasts with the external cleansing through Jesus's word in John 15:3.
Mark 7:15: If any man have ears to hear, let him hear.
Contradiction with Hebrews 7:19
This verse points to the law's inability to perfect anything, highlighting a different means of purification compared to the cleansing through Jesus's word mentioned in John 15:3.
Hebrews 7:19: For the law made nothing perfect, but the bringing in of a better hope [did]; by the which we draw nigh unto God. [the bringing...: or, it was the bringing in]
Contradiction with 1 John 1:7
This verse implies cleansing comes through the blood of Jesus, a difference from John 15:3 which emphasizes cleansing through His word.
1 John 1:7: But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanseth us from all sin.
Contradiction with Titus 3:5
It speaks of salvation not by works but through the washing of regeneration by the Holy Spirit, providing an alternative cleansing to that described in John 15:3.
Titus 3:5: Not by works of righteousness which we have done, but according to his mercy he saved us, by the washing of regeneration, and renewing of the Holy Ghost;