Invention is 10% inspiration and 90% perspiration.

The first requisite for success is to develop the ability to focus.

Absorb ideas from every source.

First, study the present construction. Second, ask for all past experiences ...study and read everything you can on the subject.

Interest is the invention of Satan.

We have merely scratched the surface of the store of knowledge which will come to us. I believe that we are now, a-tremble on the verge of vast discoveries - discoveries so wondrously important they will upset the present trend of human thought and start it along completely new lines .

I am both pleased but astonished by the fact that mankind has not yet begun to use all the means and devices that are available for destruction. I hope that such weapons are never manufactured in quantity.