The best proof of intelligent life in space is that it hasn't come here. — Arthur C. Clarke Copy Share Image
The surviving intelligent life form on Earth is not going to be carbon-based; it's going to be silicon-based. — Paul MacCready Copy Share Image
The best proof that there's intelligent life in the universe is that it hasn't come here. — Arthur C. Clarke Copy Share Image
Perhaps we've never been visited by aliens because they have looked upon Earth and decided there's no sign of intelligent life. — Neil deGrasse Tyson Copy Share Image
It would be selfish to believe that we are the only intelligent life in the universe. — Kerli Copy Share Image
I believe alien life is quite common in the universe, although intelligent life is less so. Some say it has yet to… — Stephen Hawking Copy Share Image
I won't eat anything that has intelligent life, but I'd gladly eat a network executive or a politician. — Marty Feldman Copy Share Image
Were their is intelligent life there is sadness, loneliness, and anger, but their is also happiness, friendship and love. — Anonymous Copy Share Image
If you watch [The] Search for Signs of Intelligent Life [in the Universe], or The Incredible Shrinking Woman, or 9 to 5,… — Tina Fey Copy Share Image
I was reading about how countless species are being pushed toward extinction by man's destruction of forests. . . . Sometimes I… — Bill Watterson Copy Share Image
It is surely unreasonable to credit that only one small star in the immensity of the universe is capable of developing and… — Anonymous Copy Share Image
“Machine Man faithfully believes that conscious intelligent life came by chance from unconscious, dumb and dead matter that nobody suddenly made out… — Arne Klingenberg Copy Share Image
I was sleeping in a water bed for a couple of years, recommended by my doctor. I was never comfortable in that… — Jo Nesbo Copy Share Image
I think space exploration is very important. I think there is very intelligent life on Mars. I believe that Martians are spying… — Annabella Sciorra Copy Share Image
“But aren't all great quests folly? El Dorado and the Fountain of Youth and the search for intelligent life in the cosmos--… — Jess Walter Copy Share Image
To me, it's the kind of interesting question the human race should be investing in. Is there intelligent life out there? Are… — Paul Allen Copy Share Image
It is said that Mahatma Gandhi, when asked about Western civilization, remarked, 'I think it would be a good idea.' That's how… — David Grinspoon Copy Share Image
It must be a very dour and pessimistic astronomer indeed who seriously doubts that there must be countless numbers of intelligent civilizations… — Robert K. G. Temple Copy Share Image
“It is possibly true that intelligent life with a sophisticated technology is needed for the eventual survival of life. Dinosaurs and many… — Jamal Nazrul Islam Copy Share Image
Death is not necessarily what gives meaning to life LIFE gives meaning to life, and what we do with life, which is… — Jason Silva Copy Share Image
“Each species of intelligent life in the galaxy learned to limit its perceptions of the world it inhabited in order to preserve… — Sheila Finch Copy Share Image
The philosopher ... subjects experience to his critical judgment, and this contains a value judgment namely, that freedom from toil is preferable… — Herbert Marcuse Copy Share Image
Intelligent life can't be all that common because it's really rare on Earth and especially since we define ourselves to be intelligent.… — Neil deGrasse Tyson Copy Share Image
I keep wondering if, say, there is intelligent life on other planets, the scientists argue that something like two percent of the… — Donald Barthelme Copy Share Image
The surest sign that intelligent life exists somewhere else in the universe is that it has never tried to contact us. — Young Siddiq Prince Copy Share Image
If this is the only planet on which not only life, but intelligent life, has arisen, that would be very unusual. — Seth Shostak Copy Share Image
Intelligent life on a planet comes of age when it first works out the reason for its own existence. — Richard Dawkins Copy Share Image
Intelligent life on other planets? I'm not even sure there is on earth! — Albert Einstein Copy Share Image
Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to… — Bill Watterson Copy Share Image
The surest sign that intelligent life exists elsewhere in the universe is that it has never tried to contact us. — Bill Watterson Copy Share Image
We only have to look at ourselves to see how intelligent life might develop into something we wouldn't want to meet. — Stephen Hawking Copy Share Image
I wonder if, in fact, we have been observed by aliens and upon close examination of human conduct and human behavior they… — Neil deGrasse Tyson Copy Share Image
The question is not whether there is intelligent life out there, the question is, whether there is intelligent life down here. As… — Jacque Fresco Copy Share Image
“I firmly disagree with anyone who says humans are the most advanced, or the most intelligent species on the planet. In fact,… — Israel Morrow Copy Share Image
Other intelligent life-forms will differ greatly in appearance - they may resemble the creature in E.T. or startle us with their beauty… — Frank Drake Copy Share Image
“Like an alchemical wave sending ripples of love to every part of our being, once we become conscious of an intelligent life… — Atalina M Homan Copy Share Image
Did you know, throughout the cosmos they found intelligent life forms that play to play? We are the only ones that play… — Lily Tomlin Copy Share Image
Among the radio astronomers of SETI - the Search for Extraterrestrial Intelligence - it's only sort-of a joke that the true hallmark… — David Grinspoon Copy Share Image
If we ever established contact with intelligent life on another world, there would be barriers to communication. First, they would be many… — Martin Rees Copy Share Image
While the Baroque rules of Chess could only have been created by humans, the rules of Go are so elegant, organic, and… — Emanuel Lasker Copy Share Image
![“If you watch [The] Search for Signs of Intelligent Life [in the Universe], or The Incredible Shrinking Woman, or 9 to 5, there is a lot of gender politics at the forefront of Lily Tomlin work, which was kind of thrilling for me to be watching as a 10-, 11-, 12-year-old kid.” quote by Tina Fey](https://sms4smile.com/q/img-quotes/a5d/tina-fey-484_gender_if-you-watch-the-search-for-signs-of-int_2359161.jpg)
