Watson, ... if I can get a mechanism which will make a current of electricity vary in its intensity, as the air varies in density when a sound is passing through it, I can telegraph any sound, even the sound of speech.

I have travelled around the globe. I have seen the Canadian and American Rockies, the Andes, the Alps and the Highlands of Scotland, but for simple beauty, Cape Breton outrivals them all!

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.

Man is an animal which, alone among the animals, refuses to be satisfied by the fulfillment of animal desires.

The nation that secures control of the air will ultimately control the world.

Before anything else, preparation is the key to success.

Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus.