Contradiction with Proverbs 26:4
Advises not to answer a fool according to his folly, whereas Jeremiah 29:27 questions why someone has not been reproved for foolish behavior.
Proverbs 26:4: Answer not a fool according to his folly, lest thou also be like unto him.
Contradiction with Matthew 5:44
Encourages love towards enemies, while Jeremiah 29:27 implies reprimanding one who is viewed negatively.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Ephesians 4:29
Urges to speak only what is helpful and edifying, in contrast to Jeremiah 29:27’s implication of reproval.
Ephesians 4:29: Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers. [to...: or, to edify profitably]
Contradiction with Romans 12:17
Instructs not to repay evil with evil, whereas Jeremiah 29:27 discusses the idea of reprimanding perceived wrongdoing.
Romans 12:17: Recompense to no man evil for evil. Provide things honest in the sight of all men.