We are all too much inclined, I think, to walk through life with our eyes shut. There are things all round us and right at our very feet that we have never seen, because we have never really looked.

The most successful men in the end are those whose success is the result of steady accretion.

Great discoveries and improvements invariably involve the cooperation of many minds.

One day every major city in America will have a telephone.

Wherever you may find the inventor, you may give him wealth or you may take from him all that he has; and he will go on inventing. He can no more help inventing that he can help thinking or breathing.

I have had the feeling that a properly constructed flying-machine should be capable of being flown as a kite; and conversely, that a properly constructed kite should be capable of use as a flying-machine when driven by its own propellers.

The only difference between success and failure is the ability to take action.