Science is not only compatible with spirituality; it is a pr... - Carl Sagan, The Demon-Haunted World: Science as a Candle in the Dark

"Science is a way to call the bluff of those who only pretend to knowledge. It is a bulwark against mysticism, against superstition, against religion misapplied to where it has no business being."

"Claims that cannot be tested, assertions immune to disproof are veridically worthless, whatever value the may have in inspiring us or in exciting our sense of wonder."

"For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring."

"Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves."

"Science is not only compatible with spirituality; it is a profound source of spirituality."