Contradiction with Proverbs 29:11
Acts 20:31 shows Paul as consistently warning the Ephesians, while Proverbs 29:11 advises discretion, suggesting a contrast between continuous warning and holding back in expression.
Proverbs 29:11: A fool uttereth all his mind: but a wise [man] keepeth it in till afterwards.
Contradiction with Ecclesiastes 3:7
Acts 20:31 speaks of constant speaking, but Ecclesiastes 3:7 states there is a time to keep silence, implying a contradiction between always warning and there being a time for silence.
Ecclesiastes 3:7: A time to rend, and a time to sew; a time to keep silence, and a time to speak;
Contradiction with Matthew 6:34
Acts 20:31 is about vigilance and constant admonishment, whereas Matthew 6:34 advises against worrying about the future, emphasizing trust over continuous caution.
Matthew 6:34: Take therefore no thought for the morrow: for the morrow shall take thought for the things of itself. Sufficient unto the day [is] the evil thereof.
Contradiction with 1 Peter 3:4
Acts 20:31 describes an outward, active warning process, while 1 Peter 3:4 values a quiet and gentle spirit, presenting a contradiction in approach.
1 Peter 3:4: But [let it be] the hidden man of the heart, in that which is not corruptible, [even the ornament] of a meek and quiet spirit, which is in the sight of God of great price.
Contradiction with James 3:1
Acts 20:31 involves teaching and admonishing, but James 3:1 cautions against many becoming teachers due to stricter judgment, contradicting the idea of incessant teaching.
James 3:1: My brethren, be not many masters, knowing that we shall receive the greater condemnation. [condemnation: or, judgment]