To my mind, to kill in war is not a whit better than to commit ordinary murder.

How do I work? I grope.

The man who regards his own life and that of his fellow-creatures as meaningless is not merely unfortunate but almost disqualified for life.

Everything that is really great and inspiring is created by the individual who can labor in freedom.

Man like every other animal is by nature indolent. If nothing spurs him on, then he will hardly think, and will behave from habit like an automaton.

The important thing is not to stop questioning.

More and more I come to value charity and love of one's fellow beings above everything else ... All our lauded technological progress - our very civilization - is like the axe in the hand of the pathological criminal.

Nothing will benefit human health and increase the chances for survival of life on earth as much as the evolution to a vegetarian diet.

Common sense is the collection of prejudices acquired by age eighteen.

Art is the expression of the profoundest thoughts in the simplest way.