After this the world soon sang his praises; and, in the next ten years, Fortune poured into his lap half a million dollars.
This was the result of his thinking.
The man who was in charge of the United States Patent Office called him "the young man who keeps the pathway to the Patent Office hot with his footsteps."
Mr. Edison believed that two messages could be sent over the same wire at the same time.
Of course the world laughed at the idea.
But soon our inventor managed to send four messages over the same wire at the same time.
Then the world stopped laughing.
People said, "This young man is the greatest inventor of his age, and a discoverer as well."
The Grand Trunk train-boy had proved a genius.
When twenty-six years of age, he married a young lady of Newark, Miss Mary Stillwell.