There is not one single established religion that an intelligent, educated man can believe.

War does not decide who is right but who is left.

The fact that we can become accustomed to anything, however disgusting at first, makes it necessary to examine carefully everything we have become accustomed to.

The writer who aims at producing the platitudes which are "not for an age, but for all time" has his reward in being unreadable inall ages.... The man who writes about himself and his own time is the only sort of man who writes about all people and about all time.

People are always blaming their circumstances for what they are. I don't believe in circumstances.

The average age (longevity) of a meat eater is 63. I am on the verge of 85 and still work as hard as ever. I have lived quite long enough and am trying to die; but I simply cannot do it. A single beef-steak would finish me; but I cannot bring myself to swallow it. I am oppressed with a dread of living forever. That is the only disadvantage of vegetarianism.

Progress is impossible without change; and those who cannot change their minds cannot change anything.