Before anything else, preparation is the key to success.

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

There are two critical points in every aerial flight-its beginning and its end.

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 day will come when the man at the telephone will be able to see the distant person to whom he is speaking.

The telephone will be used to inform people that a telegram has been sent.

With every door that closes a new one opens.