Carl Sagan

“The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.”

― Carl Sagan, Cosmos

“Science is not only compatible with spirituality; it is a profound source of spirituality.”
― Carl Sagan, The Demon-Haunted World: Science as a Candle in the Dark

“One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.”
― Carl Sagan

“If you wish to make an apple pie from scratch, you must first invent the universe.”
― Carl Sagan, Cosmos