Democritus was an influential Ancient Greek pre-Socratic philosopher primarily remembered today for his formulation of an atomic theory of the universe... (wikipedia)
Nothing exists except atoms and empty space; everything else is opinion.
Happiness resides not in possessions, and not in gold, happiness dwells in the soul.
Raising children is an uncertain thing; success is reached only after a life of battle and worry.
Men should strive to think much and know little.
It is greed to do all the talking but not to want to listen at all.
I would rather discover one true cause than gain the kingdom of Persia.
Now as of old the gods give men all good things, excepting only those that are baneful and injurious and useless. These, now as of old, are not gifts of the gods: men stumble into them themselves because of their own blindness and folly.
Throw moderation to the winds, and the greatest pleasures bring the greatest pains.
Our sins are more easily remembered than our good deeds.
By desiring little, a poor man makes himself rich.