"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."

"In no way can we get such an overwhelming idea of the grandeur of Nature than when we consider, that in accordance with the law of the conservation of energy, throughout the Infinite, the forces are i…"

"I consider myself a very fortunate man, because I have been able to devote my entire life to the pursuit of knowledge and the service of humanity."

"Electric power is everywhere present in unlimited quantities and can drive the world's machinery without the need of coal, oil, gas, or any other of the common fuels."

"From childhood I was compelled to concentrate attention on myself. This caused me much suffering, but, on the other hand, it developed in me powers of introspection and observation."