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Since, in the long run, every planetary civilization will be endangered by impacts from space, every surviving civilization is obliged to become space...more

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A new consciousness is developing which sees the earth as a single organism and recognizes that an organism at war with itself is doomed. We are one p...more

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There is a wide yawning black infinity. In every direction the extension is endless, the sensation of depth is overwhelming. And the darkness is immor...more

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Birds know, better than humans, not to spoil the nest.

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If it takes a little myth and ritual to get us through a night that seems endless, who among us cannot sympathize and understand?

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It is the responsibility of scientists never to suppress knowledge, no matter how awkward that knowledge is, no matter how it may bother those in powe...more

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We are the only species on the planet, so far as we know, to have invented a communal memory stored neither in our genes nor in our brains. The wareho...more

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One of the great commandments of science is, "Mistrust arguments from authority." (Scientists, being primates, and thus given to dominance hierarchies...more

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I try not to think with my gut. If I'm serious about understanding the world, thinking with anything besides my brain, as tempting as that might be, i...more

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We've arranged a civilization in which most crucial elements profoundly depend on science and technology. We have also arranged things so that almost ...more

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A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.

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Science is a way of thinking much more than it is a body of knowledge.

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Science is based on experiment, on a willingness to challenge old dogma, on an openness to see the universe as it really is. Accordingly, science some...more

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Some information is classified legitimately; as with military hardware, secrecy sometimes really is in the national interest. Further, military, polit...more

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I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we a...more