Many much-learned men have no intelligence.

The pride of youth is in strength and beauty, the pride of old age is in discretion.

We think there is color, we think there is sweet, we think there is bitter, but in reality there are atoms and a void.

The first principles of the universe are atoms and empty space; everything else is merely thought to exist.

If your desires are not great, a little will seem much to you; for small appetite makes poverty equivalent to wealth.

It is hard to fight against anger: to master it is the mark of a rational man.

Hope of ill gain is the beginning of loss.