As a matter of self-preservation, a man needs good friends or ardent enemies, for the former instruct him and the latter take him to task.

We come into the world alone and we die alone. Why, in life, should we be any less alone?

I have nothing to ask but that you would remove to the other side, that you may not, by intercepting the sunshine, take from me what you cannot give.

The Sun visits cesspools without being defiled.

By worrying as little as possible about fame.

I do not know whether there are gods, but there ought to be.

Aristotle was once asked what those who tell lies gain by it. Said he - That when they speak truth they are not believed.