Proverbs 10:19
Where much babbling is, there must needs be offense; he that refraineth his lips is wisest of all.
James 3:2
For in many things we sin all. If a man sin not in word, the same is a perfect man and able to tame all the body.
James 1:19
Wherefore, dear brethren, let every man be swift to hear, slow to speak, and slow to wrath.
Psalm 39:1
{To the Chanter, for praising, a Psalm of David} I said, "I will take heed to my ways, that I offend not in my tongue. I will keep my mouth as it were with a bridle, while the ungodly is in my sight."
Ecclesiastes 5:3
For where much carefulness is, there are many dreams: and where many words are, there men may hear fools.
Proverbs 17:27-28
He is wise and discreet that tempereth his words; and he is a man of understanding, that maketh much of his spirit.
Ecclesiastes 10:13-14
The beginning of his talking is foolishness, and the last word of his mouth is great madness.