Beauty always promises, but never gives anything.
...nothing on earth can stop man from feeling himself born for liberty. Never, whatever may happen, can he accept servitude; for he is a thinking creature.
Everything beautiful has a mark of eternity.
Evil when we are in its power is not felt as evil but as a necessity, or even a duty.
Every kind of reward constitutes a degradation of energy.
Two forces rule the universe: light and gravity.