Science and literature are not two things, but two sides of one thing.

Time, whose tooth gnaws away everything else, is powerless against truth.

The child who has been taught to make an accurate elevation, plan, and section of a pint pot has had an admirable training in accuracy of eye and hand.

Freedom and order are not incompatible... truth is strength... free discussion is the very life of truth.

Social progress means a checking of the cosmic process at every step and the substitution for it of another, which may be called the ethical process; the end of which is not the survival of those who may happen to be the fittest, in respect of the whole of the conditions which obtain, but of those who are ethically the best.

I protest that if some great Power would agree to make me always think what is true and do what is right, on condition of being turned into a sort of clock and would up every morning before I got out of bed, I should instantly close with the offer.

All truth, in the long run, is only common sense clarified.