"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."

"I am credited with being one of the hardest workers and perhaps I am, if thought is the equivalent of labour, for I have devoted to it almost all of my waking hours. But if work is interpreted to be a…"

"Our senses enable us to perceive only a minute portion of the outside world."

"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."

"A new idea must not be judged by its immediate results."