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

Grand telegraphic discovery today … Transmitted vocal sounds for the first time ... With some further modification I hope we may be enabled to distinguish … the “timbre” of the sound. Should this be so, conversation viva voce by telegraph will be a fait accompli.

Neither the Army nor the Navy is of any protection, or very little protection, against aerial raids.

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.

First words on the first telephone - "Mr. Watson - come here - I want to see you."

Before anything else, preparation is the key to success.

When one door closes, another opens; but we often look so long and so regretfully upon the closed door that we do not see the one which has opened for us.