1 Peter 3:15

But sanctify the Lord God in your hearts: and {be} ready always to {give} an answer to every man that asketh you a reason of the hope that is in you with meekness and fear: {fear: or, reverence}

Proverbs 29:11

A fool uttereth all his mind: but a wise {man} keepeth it in till afterwards.

Ecclesiastes 5:2

Be not rash with thy mouth, and let not thine heart be hasty to utter {any} thing before God: for God {is} in heaven, and thou upon earth: therefore let thy words be few. {thing: or, word}

James 3:6-8

And the tongue {is} a fire, a world of iniquity: so is the tongue among our members, that it defileth the whole body, and setteth on fire the course of nature; and it is set on fire of hell. {course: Gr. wheel}

Proverbs 15:2

The tongue of the wise useth knowledge aright: but the mouth of fools poureth out foolishness. {poureth: Heb. belcheth, or, bubbleth}

Proverbs 16:23

The heart of the wise teacheth his mouth, and addeth learning to his lips. {teacheth: Heb. maketh wise}

Matthew 12:34

O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.

Ecclesiastes 5:6

Suffer not thy mouth to cause thy flesh to sin; neither say thou before the angel, that it {was} an error: wherefore should God be angry at thy voice, and destroy the work of thine hands?