"Science has fairly turned us out of our comfortable little anthropomorphic notion of things into the great out-of-doors of the universe. We must and will get used to the chill, yea, to the cosmic chill, if need be. Our religious instincts will be all the hardier for it."

“Every day is a Sabbath to me. All pure water is holy water, and this earth is a celestial abode.”

“In us or through us the Primal Mind will have contemplated and enjoyed its own works and will continue to do so as long as human life endures on this planet.”

“Man’s craving for the supernatural is as natural as our discounting of the present moment... The natural becomes trite and commonplace to us and we take refuge in an imaginary world above and beyond it.”

“Science has done more for the development of Western civilization in one hundred years than Christianity did in eighteen hundred.”

“Science, in the broadest sense, is simply that which may be verified; but how much of that which theology accepts and goes upon is verifiable by human reason or experience?”

“The deeper our insight into the methods of nature . . . the more incredible the popular Christianity seems to us.”