Proverbs 17:28

Even a fool who keeps silent is considered wise; when he closes his lips, he is deemed intelligent.

Job 13:5

Oh that you would keep silent, and it would be your wisdom!

Proverbs 15:2

The tongue of the wise commends knowledge, but the mouths of fools pour out folly.

Ecclesiastes 5:3

For a dream comes with much business, and a fool's voice with many words.

Ecclesiastes 10:3

Even when the fool walks on the road, he lacks sense, and he says to everyone that he is a fool.

Ecclesiastes 10:14

A fool multiplies words, though no man knows what is to be, and who can tell him what will be after him?

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The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.