Contradiction with Proverbs 17:27
This verse emphasizes the value of using knowledge sparingly and being wise, potentially contrasting the idea of being "rude in speech" mentioned in 2 Corinthians 11:6.
Proverbs 17:27: He that hath knowledge spareth his words: [and] a man of understanding is of an excellent spirit. [an...: or, a cool]
Contradiction with James 3:2
Highlights the importance of controlling one's speech, which could contrast with the admission of being "rude in speech" noted in 2 Corinthians 11:6.
James 3:2: For in many things we offend all. If any man offend not in word, the same [is] a perfect man, [and] able also to bridle the whole body.
Contradiction with Colossians 4:6
Advises that speech should always be gracious, which could contradict the self-description in 2 Corinthians 11:6 of being "rude in speech."
Colossians 4:6: Let your speech [be] alway with grace, seasoned with salt, that ye may know how ye ought to answer every man.