Nikola Tesla — "The progressive development of man is vitally dependent on invention. It is the …"

"If I try to continue a broken line of thought, I feel a veritable spiritual nausea, then, almost by chance, I go over to another job, surprised by the freshness of mind and ease with which I overcome …"

"The greatest discovery of all time will be the discovery of a new source of energy."

"My method is different. I do not rush into actual work. When I get an idea I start at once building it up in my imagination. I change the construction, make improvements, and operate the device entire…"

"I have been feeding pigeons, thousands of them, for years. But there was one, a beautiful bird, pure white with light grey tips on its wings; that one was different."

"What one man calls God, another calls the laws of physics."