By convention sweet is sweet, by convention bitter is bitter, by convention hot is hot, by convention cold is cold, by convention color is color. But in reality there are atoms and the void. That is, the objects of sense are supposed to be real and it is customary to regard them as such, but in truth they are not. Only the atoms and the void are real.

If thou suffer injustice, console thyself; the true unhappiness is in doing it.

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

The word is the shadow of the deed.

The man enslaved to wealth can never be honest.

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

Nothing exists except atoms and empty space; everything else is opinion.