The great thing is to know when to speak and when to keep quiet.
- Seneca the Younger
Be silent, or say something better than silence.
- Pythagoras
Many can argue - not many converse.
- A. Bronson Alcott
The first ingredient in conversation is truth:
the next good sense;
the third, good humor;
and the fourth wit.
- Sir William Temple
Proper words in proper places make the true definition of a style.
- Jonathan Swift
The less people speak of their greatness, the more we think of it.
- Sir Francis Bacon