The really important thing is not to live, but to live well. And to live well meant, along with more enjoyable things in life, to live according to your principles.
An honest man is always a child.
It is possible that a man could live twice as long if he didn't spend the first half of his life acquiring habits that shortens the other half
My friend...care for your psyche...know thyself, for once we know ourselves, we may learn how to care for ourselves
A system of morality that is based on relative emotional values is a mere illusion, a thoroughly vulgar conception that has nothing sound in it and nothing true.
Our lives are but specks of dust falling through the fingers of time. Like sands of the hourglass, so are the days of our lives.
All wars are fought for the acquisition of wealth
To need nothing is divine, and the less a man needs the nearer does he approach to divinity.
You never know a line is crooked unless you have a straight one to put next to it.
Prefer knowledge to wealth, for the one is transitory, the other perpetual.
There's no good answer to a question you didn't hear
The body cannot be cured without regard for the soul.
Marry or marry not, in any either case you'll regret it
There is no learning without remembering.
Be the kind of person that you want people to think you are.
There is no possession more valuable than a good and faithful friend.
Understanding a question is half an answer.
One should never do wrong in return, nor mistreat any man, no matter how one has been mistreated by him.