No progressive knowledge will ever medicine that dread misgiving of a mysterious and pathless power given to words of a certain import.

There is a necessity for a regulating discipline of exercise that, whilst evoking the human energies, will not suffer them to be wasted.

It is most absurdly said, in popular language, of any man, that he is disguised in liquor; for, on the contrary, most men are disguised by sobriety.

Mathematics has not a foot to stand upon which is not purely metaphysical.

I feel that there is no such thing as ultimate forgetting; traces once impressed upon the memory are indestructible.

Often one's dear friend talks something which one scruples to call rigmarole.

War has a deeper and more ineffable relation to hidden grandeurs in man than has yet been deciphered.