"The world is full of magical things patiently waiting for our wits to grow sharper."

"Work is of two kinds: first, altering the position of matter at or near the earth's surface relative to other matter second, telling other people to do so."

"Science is what you know, philosophy is what you don't know."

"The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd."

"It is a profound truth that the stoutest timber is forged in the fiercest gales, not in the sheltered grove — an essential principle for the reflective life."

"My life in Brooklyn was in constant danger because of my bad health."

"Music is mediator between spiritual and sensual life."

"Never underestimate the power of the river of time shapes the stones of destiny."