"There can never be any real opposition between religion and science; for the one is the complement of the other. Every serious and reflective person realizes, I think, that the religious element in hi…"

"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.'"

"The future of humanity depends on our ability to understand and harness the power of science."

"A scientist is a man who tries to understand the world by experiment, and a philosopher is a man who tries to understand the world by thought."

"No burden is so heavy for a man to bear as a succession of happy days."