The acquisition of riches has been to many not an end to their miseries, but a change in them: The fault is not in the riches, but the disposition.

It is bad to live for necessity; but there is no necessity to live in necessity.

We sought therefore to amend our will, and not to suffer it through despite to languish long time in error.

Life's neither a good nor an evil: it's a field for good and evil.

A single lifetime, even though entirely devoted to the sky, would not be enough for the study of so vast a subject. A time will come when our descendants will be amazed that we did not know things that are so plain to them.

Dead, we become the lumber of the world, And to that mass of matter shall be swept Where things destroyed with things unborn are kept.

What does reason demand of a man? A very easy thing-to live in accord with his own nature.