When we have arrived at the question, the answer is already near.
A great teacher makes hard things easy.
A man must be in sympathy with society around him, or else, not wish to be in sympathy with it. If neither of these two, he must be wretched.
I am ashamed to think how easily we capitulate to badges and names, to large societies and dead institutions.
All science has one aim, namely, to find a theory of nature.
Skepticism? Yes, but a saint is a skeptic once in twenty-four hours.