Men govern nothing with more difficulty than their tongues, and can moderate their desires more than their words. Baruch Spinoza
Shy and unready men are great betrayers of secrets; for there are few wants more urgent for the moment than the want of something to say. Sir Henry Taylor
The best time to hold your tongue is the time you feel you must say something or bust. Josh Billings
I have noticed that nothing I have never said ever did me any harm. Calvin Coolidge
Talking and eloquence are not the same thing: to speak, and to speak well, are two things. A fool may talk, but a wise man speaks. Ben Johnson
Talk that does not end in any kind of action is better suppressed altogether. Thomas Carlyle
Wise men talk because they have something to say. Fools talk because they have to say something. Plato
No one means all he says, and yet very few say all they mean, for words are slippery and thought is viscous. Henry Brooks Adams
The opposite of talking isn’t listening. The opposite of talking is waiting. Fran Lebowitz
If nobody said anything unless he knew what he was talking about, a ghastly hush would descend upon the earth. A P Herbert