“One strength of the communist system of the East is that it has some of the character of a religion and inspires the emotions of a religion. ”

“Science without religion is lame, religion without science is blind.”

“The religion of the future will be cosmic religion. It will transcend personal God and avoid dogma and theology.”

“True religion is real living; living with all one's soul, with all one's goodness and righteousness.”

“I cannot conceive of a great scientist without this profound faith: Science without religion is lame, religion without science is blind.”

“For any one who is pervaded with the sense of causal law in all that happens, who accepts in real earnest the assumption of causality, the idea of a Being who interferes with the sequence of events in the world is absolutely impossible. Neither the religion of fear nor the social-moral religion can have any hold on him.”

“I am a deeply religious nonbeliever. This is a somewhat new kind of religion.”