According to convention there is a sweet and a bitter, a hot and a cold, and according to convention, there is an order. In truth, there are atoms and a void.
DemocritusNow 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.
DemocritusWe think there is color, we think there is sweet, we think there is bitter, but in reality there are atoms and a void.
Democritus