Two per cent. is genius, and ninety-eight per cent. is hard work.

Many a person who could not comprehend Rousseau, and would be puzzled by Montesquieu, could understand Paine as an open book. He wrote with a clarity, a sharpness of outline and exactness of speech that even a schoolboy should be able to grasp.

Any large extension of the Government into business affairs - no matter what the pretense and no matter how the the extension is labeled - will be bound to promote waste and put a curb on our prosperity and progress.

I have not failed. I've just found 10,000 ways that won't work.

We shall have no better conditions in the future if we are satisfied with all those which we have at present.

X-rays ... I am afraid of them. I stopped experimenting with them two years ago, when I came near to losing my eyesight and Dally, my assistant practically lost the use of both of his arms.

Success depends on how many experiments you can fit into 24 hours