Sweet exists by convention, bitter by convention, color by convention; but in reality atoms and the void alone exist

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

Poverty in a democracy is as much to be preferred to what is called prosperity under despots, as freedom is to slavery.

These differences, they say, are three: shape, arrangement, and position; because they hold that what is differs only in contour, inter-contact, inclination.

To a wise and good man the whole earth is his fatherland.

Throw moderation to the winds, and the greatest pleasures bring the greatest pains.

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