Proverbs 14:15 The simple believeth every word: but the prudent man looketh well to his going.

Proverbs 22:3 A prudent man foreseeth the evil, and hideth himself: but the simple pass on, and are punished.

Matthew 10:16 ¶Behold, I send you forth as sheep in the midst of wolves: be ye therefore wise as serpents, and harmless as doves.