Many much-learned men have no intelligence.

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.

Medicine heals diseases of the body, wisdom frees the soul from passions.

Our sins are more easily remembered than our good deeds.

Men will cease to be fools only when they cease to be men.

To a wise man, the whole earth is open; for the native land of a good soul is the whole earth.

It is better to destroy one's own errors than those of others.