External nature is only internal nature writ large.
Anything that makes weak - physically, intellectually and spiritually, reject it as poison.
True valor lies between cowardice and rashness.
There are no facts, only interpretations.
There is only one difference between a madman and me. The madman thinks he is sane. I know I am mad.
I feel as if I were a piece in a game of chess, when my opponent says of it: That piece cannot be moved.
Self-esteem comes from being able to define the world in your own terms and refusing to abide by the judgments of others.
The secret of being a bore is to tell everything.
Reality is wrong. Dreams are for real.
The poor are prevented from thinking by the discipline of others, the rich by their own.
One must judge men not by their opinions, but by what their opinions have made of them.
If the misery of the poor be caused not by the laws of nature, but by our institutions, great is our sin.
Science is not only compatible with spirituality; it is a profound source of spirituality.
Freedom is from within.
To hell with circumstances; I create opportunities.
Courage is grace under pressure.
It does not do to dwell on dreams and forget to live.
Remember upon the conduct of each depends the fate of all.
The battle for women's rights has been largely won.
Words have no power to impress the mind without the exquisite horror of their reality.
Advice to intellectuals: let no-one represent you.