Nothing is more cruel to the young than to tell them that the world is made for youth.

To make a precise scientific description of reality out of words is like trying to build a rigid structure out of pure quicksilver.

To start with invention is the mark of the fertile mind ... and leads later to the interpretation of experience; to start with the reproduction of experience is the infallible index of a barren invention.

I gather that he nearly knocked you down, damaged your property, and generally made a nuisance of himself, and that you instantly concluded he must be some relation to me.

I have never yet heard any middle-aged man or woman who worked with his or her brains express any regret for the passing of youth.

the autobiography is at one and the same time a single element in the series of the writer's created works and an interpretation of the whole series.

It is the first duty of a gentleman to remember in the morning who he went to bed with the night before.