Keep silence for the most part, and speak only when you must, and then briefly.
He lacks the common wisdom to keep still that deadly enemy of a man, his own tongue.
Samuel Langhorne Clemens, 1835-1910
One thing I like to tell founders is the more you talk, the more you have an opportunity to say something that people don't like. Talk less, and it will probably be better.
Let a fool hold his tongue and he will pass for a sage.
Men are born with two eyes, but with one tongue, in order that they should see twice as much as they say.
There are many men whose tongues might govern multitudes if they could govern their tongues.
Wise men, when in doubt whether to speak or to keep quiet, give themselves the benefit of the doubt, and remain silent.
I have no sense of what I should or shouldn't talk about. I just blather. Which is why it's fun to write 'Gossip Girl.' I do tend to just talk about anything.
He is forever poised between a cliche and an indiscretion.
'Tis not every question that deserves an answer.