“All truth, in the long run, is only common sense clarified.”
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Every great advance in natural knowledge has involved the absolute rejection of authority.
It is because the body is a machine that education is possible. Education is the formation of habits, a superinducing of an artificial organization upon the natural organization of the body.
Ecclesiasticism in science is only unfaithfulness to truth.
The only freedom I care about is the freedom to do right the freedom to do wrong I am ready to part with on the cheapest terms to anyone who will take it of me.