Proverbs 10:19 In the multitude of words there wants not sin: but he that refrains his lips is wise.
Proverbs 12:13 The wicked is snared by the transgression of his lips: but the just shall come out of trouble.
Proverbs 13:3 He that keeps his mouth keeps his life: but he that opens wide his lips shall have destruction.
Proverbs 17:27,28 He that has knowledge spares his words: and a man of understanding is of an excellent spirit...
Proverbs 18:21 Death and life are in the power of the tongue: and they that love it shall eat the fruit thereof.
James 1:26 If any man among you seem to be religious, and bridles not his tongue, but deceives his own heart, this man's religion is vain.
James 3:2-13 For in many things we offend all. If any man offend not in word, the same is a perfect man, and able also to bridle the whole body...