"The freedom of thought and speech must be preserved in all circumstances."

"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…"

"The aim of science is to understand the world, not to explain it away."

"The human mind, no matter how highly trained, cannot grasp the universe. We are in the position of a little child, entering a huge library whose walls are covered to the ceiling with books in many dif…"

"The soul is the seat of all knowledge and all truth."