“If in any quest for magic, in any search for sorcery, witchery, legerdemain, first check the human spirit.”

“It may be laid down as a general rule that if a man begins to sing, no one will take any notice of his song except his fellow human beings. This is true even if his song is surpassingly beautiful. ...”

“Magic or nature, they were much the same thing to Magnus.”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”