Quote by Guglielmo Marconi
"Gratitude opens the doors of the heart."
More from Guglielmo Marconi
"The present age of wireless telegraphy has a most important bearing on the future of civilization."
"Nothing great in the world has ever been accomplished without passion."
"The day may come when the wireless may be as common in every home as the telephone is today."
"I have always been convinced that the truest test of civilization is not the census, nor the size of cities, but the kind of man the country turns out."