We are striking it big in the electric light, better than my vivid imagination first conceived. Where this thing is going to stop Lord only knows.

I never failed once. It just happened to be a 2000-step process.

Direct thought is not an attribute of feminity. In this, women are now centuries behind man.

The only time I really become discouraged is when I think of all the things I would like to do and the little time I have in which to do them.

To Monsieur Eiffel the Engineer, the brave builder of so gigantic and original a specimen of modern Engineering from one who has the greatest respect and admiration for all Engineers including the Great Engineer the Bon Dieu.

The most necessary task of civilization is to teach people how to think. It should be the primary purpose of our public schools. The mind of a child is naturally active, it develops through exercise. Give a child plenty of exercise, for body and brain. The trouble with our way of educating is that it does not give elasticity to the mind. It casts the brain into a mold. It insists that the child must accept. It does not encourage original thought or reasoning, and it lays more stress on memory than observation.

I am 67, but I'm not too old to make a fresh start.