Good means not [merely] not to do wrong, but rather not to desire to do wrong.
We know nothing in reality; for truth lies in an abyss.
Poverty in a democracy is as much to be preferred to what is called prosperity under despots, as freedom is to slavery.
Nothing exists except atoms and empty space; everything else is opinion.
Do not trust all men, but trust men of worth; the former course is silly, the latter a mark of prudence.
The wise man belongs to all countries, for the home of a great soul is the whole world.