A politician thinks of the next election; a statesman of the next generation.
Never leave that till tomorrow which you can do today.
It is light grief that can take counsel.
Few are agreeable in conversation, because each thinks of what he intends to say than of what others are saying, and listens no more when he himself has a chance to speak.
You add insult to injury. (Injuriae Addis Contumeliam)
There are no thanks for a kindness, which has been delayed.
Speak clearly, if you speak at all; carve every word before you let it fall.
They envy the distinction I have won; let them therefore, envy my toils, my honesty, and the methods by which I gained it.