Logical consequences are the scarecrows of fools and the beacons of wise men.
All truth, in the long run, is only common sense clarified.
It is better for a man to go wrong in freedom than to go right in chains.
There is but one right, and the possibilities of wrong are infinite.
It is because the body is a machine that education is possible. Education is the formation of habits, a superinducing of an artificial organisation upon the natural organisation of the body.
Science and literature are not two things, but two sides of one thing.
The great tragedy of science - the slaying of a beautiful theory by an ugly fact.
It is the customary fate of new truths to begin as heresies and to end as superstitions.