The superior man acts before he speaks, and afterwards speaks according to his action. Confucius
Be constantly committed to prayer or to reading [Scripture]; by praying, you speak to God, in reading, God speaks to you. Cyprian
One always speaks badly when one has nothing to say. Voltaire
The punishment of a liar is that he is never believed, even when he speaks the truth. Jewish Proverb
Truth speaks even though the tongue were dead. Irish Proverb
He who speaks a lot learns little. Armenian Proverb