"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."
"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."
12 likes
Source: Interview in How They Succeeded by Orison Swett Marden, Chapter 2, 1901.
About the author