Man can seldom - very, very, seldom - fight a winning fight against his training; the odds are too heavy.

One day man by the slow processes of evolution shall develop into something really fine and high - some billions of years hence, say.

Travel has no longer any charm for me. I have seen all the foreign countries I want to except heaven & hell & I have only a vague curiosity about one of those.

To me [Edgar Allen Poe's] prose is unreadable—like Jane Austin's [sic]. No there is a difference. I could read his prose on salary, but not Jane's. Jane is entirely impossible. It seems a great pity that they allowed her to die a natural death.

If I had more time, I would have written less.

The higher animals get their teeth without pain or inconvenience. Man gets his through months and months of cruel torture; he will never get a set which can really be depended on 'till a dentist makes him one.

It's not the size of the dog in the fight, it's the size of the fight in the dog.