Proverbs 13:16
"Every prudent man dealeth with knowledge: but a fool layeth open his folly."
Cross References (ranked by relevance)
The tongue of the wise useth knowledge aright: but the mouth of fools poureth out foolishness.
Wherefore be ye not unwise, but understanding what the will of the Lord is.
Yea also, when he that is a fool walketh by the way, his wisdom faileth him, and he saith to every one that he is a fool.
Behold, my servant shall deal prudently, he shall be exalted and extolled, and be very high.
For your obedience is come abroad unto all men. I am glad therefore on your behalf: but yet I would have you wise unto that which is good, and simple concerning evil.
Let not my lord, I pray thee, regard this man of Belial, even Nabal: for as his name is, so is he; Nabal is his name, and folly is with him: but I thine handmaid saw not the young men of my lord, whom thou didst send.
Brethren, be not children in understanding: howbeit in malice be ye children, but in understanding be men.
Behold, I send you forth as sheep in the midst of wolves: be ye therefore wise as serpents, and harmless as doves.
A good man sheweth favour, and lendeth: he will guide his affairs with discretion.
Now therefore know and consider what thou wilt do; for evil is determined against our master, and against all his household: for he is such a son of Belial, that a man cannot speak to him.
Proud and haughty scorner is his name, who dealeth in proud wrath.