The intelligence of the universe is social.

Live not as though there were a thousand years ahead of you. Fate is at your elbow; make yourself good while life and power are still yours.

The soul is dyed by the thoughts. Dye it then, with a continuous series of such thoughts as these - that where a man can live, there - if he will - he can also live well.

Ambition means tying your well-being to what other people say or do. Self-indulgence means tying it to the things that happen to you. Sanity means tying it to your own actions.

The memory of everything is very soon overwhelmed in time.

Think not disdainfully of death, but look on it with favor; for even death is one of the things that Nature wills.

They know not how many things are signified by the words stealing, sowing, buying, keeping quiet, seeing what ought to be done; for this is not effected by the eyes, but by another kind of vision.