The stars incline, but do not impel.
One man's religion is another man's belly laugh.
A generation which ignores history has no past and no future.
Self awareness is NOT just a bunch of amino acids bumping together.
Love is a condition in which the happiness of another person is essential to your own.
A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a symptom of neurotic insecurity.
To be matter of fact about the world is to blunder into fantasy -- and dull fantasy at that, as the real world is strange and wonderful.
Your enemy is never a villain in his own eyes. Keep this in mind, it may offer a way to make him your friend. If not, you can kill him without hate--and quickly.
The reasonable man adapts himself to the world the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.
Everything is theoretically impossible, until it is done. One could write a history of science in reverse by assembling the solemn pronouncements of highest authority about what could not be done and could never happen.