It turns out one of my dad's best friends was Carl Sagan when I was little. They were both Harvard professors. — David Grinspoon Copy Share Image
I agree, along with Carl Sagan, that we should eventually become a two planet species. Life is too precious to place on… — Michio Kaku Copy Share Image
“I am a collection of water, calcium and organic molecules called Carl Sagan. You are a collection of almost identical molecules with… — Carl Sagan Copy Share Image
“Given a hundred clones of Carl Sagan, we might have some hope for the next century.” — Richard Dawkins Copy Share Image
I remember that one time Carl Sagan was giving a talk, and he spelled out, in a kind of withering succession, these… — Ann Druyan Copy Share Image
“Materialism is a conviction based not upon evidence or logic but upon what Carl Sagan (speaking of another kind of faith) called… — David Bentley Hart Copy Share Image
Carl Sagan always used to say that when he was trying to explain something to someone, he would go back to that… — Ann Druyan Copy Share Image
“A human being weighing 70 kilograms contains among other things: -45 litres of water -Enough chalk to whiten a chicken pen -Enough… — Erlend Loe Copy Share Image
“Imagination will often carry us to worlds that never were. But without it, we go nowhere - Carl Sagan” — T.S. Garp Copy Share Image
“Skeptical scientists often point out, as Carl Sagan has, that the wonders of real science far surpass the supposed wonders of fringe… — Michael Crichton Copy Share Image
“I am a collection of water, calcium and organic molecules called Carl Sagan. You are a collection of almost identical molecules with… — Carl Sagan Copy Share Image
The true scientific understanding of the nature of existence is so utterly fascinating; how could you not want people to share it?… — Richard Dawkins Copy Share Image
“Asimov was a long-time member and Vice President of Mensa International, albeit reluctantly; he described some members of that organization as "brain-proud… — Anonymous Copy Share Image
“Carl Sagan said we are all made of stardust. She was made of book dust.” — Michael Guillebeau Copy Share Image
“Extinction is the rule, survival is the exception. ~ Carl Sagan, Ph.D.” — Bobby Akart Copy Share Image
“In a slick manifesto called Cosmos, Carl Sagan artfully packaged his own creed: “The Cosmos is all there is, or was, or… — Charles W. Colson Copy Share Image
I met Carl Sagan quite a few times - a fantastic and amazing person. I love him. Neil deGrasse Tyson is a… — Peter Max Copy Share Image
The issue, as correctly emphasized by Carl Sagan, is the probability of the evolution of high intelligence and an electronic civilization on… — Ernst Mayr Copy Share Image
As my old professor Carl Sagan said so often, 'When you’re in love, you want to tell the world.’ And I base… — Bill Nye Copy Share Image
I think I set myself on a course to become a scientist around about the time that Carl Sagan's 'Cosmos' series was… — Alastair Reynolds Copy Share Image
