The true charm of pedestrianism does not lie in the walking, or in the scenery, but in the talking. The walking is good to time the movement of the tongue by, and to keep the blood and the brain stirred up and active; the scenery and the woodsy smells are good to bear in upon a man an unconscious and unobtrusive charm and solace to eye and soul and sense; but the supreme pleasure comes from the talk.

The heart is the real fountain of youth.

A cat is more intelligent than people believe, and can be taught any crime.

The difference between the right word and the almost right word is the difference between lightning and a lightning bug.

I am an old man and have known a great many troubles, but most of them never happened.

A successful book is not made of what is in it, but what is left out of it.

It now seems plain to me that that theory ought to be vacated in favor of a new and truer one...the Descent of Man from the Higher Animals.