"I regard consciousness as fundamental. I regard matter as derivative from consciousness."

"I consider the consciousness as fundamental. I consider matter as derivative from consciousness. We cannot get behind consciousness. Everything that we talk about, everything that we regard as existin…"

"Religion and natural science are fighting a joint battle in an incessant, never-ending crusade against skepticism and against dogmatism, against unbelief and against superstition, and as the motto for…"

"I had to sacrifice the continuity of energy to save the second law of thermodynamics."

"Anybody who has been seriously engaged in scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: 'Ye must have faith.'"