Many times in life I've regretted the things I've said without thinking. But I've never regretted the things I said nearly as much as the words I left unspoken.

You should try not to talk so much, friend. You'll sound far less stupid that way.

- Breeze

Silence does not always mark wisdom.

I don't think..." then you shouldn't talk, said the Hatter.

It is always assumed by the empty-headed, who chatter about themselves for want of something better, that people who do not discuss their affairs openly must have something to hide.

Never complain, never explain. Resist the temptation to defend yourself or make excuses.