If intelligence is our only edge, we must learn to use it better, to shape it, to understand its limitations and deficiencies -- to use it as cats us….

Few scientists now dispute that today's soaring levels of carbon dioxide and other gases in the atmosphere will cause global temperature averages to ….

In the long run, the aggressive civilizations destroy themselves, almost always. It's their nature. They can't help it..

One of the reasons for its success is that science has a built-in, error-correcting machinery at its very heart. Some may consider this an overbroad ….

The surface of the Earth is the shore of the cosmic ocean..

We are star stuff which has taken its destiny into its own hands. The loom of time and space works the most astonishing transformations of matter..

In Italy, the Inquisition was condemning people to death until the end of the eighteenth century, and inquisitional torture was not abolished in the ….

National boundaries are not evident when we view the Earth from space. Fanatical ethnic or religious or national chauvinisms are a little difficult t….

It's hard to kill a creature once it lets you see its consciousness..

Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm ….

It is clear that the nations of the world now can only rise and fall together. It is not a question of one nation winning at the expense of another. ….

If we offer too much silent assent about mysticism and superstition - even when it seems to be doing a little good - we abet a general climate in whi….

If we ruin the earth, there is no place else to go.

Better by far to embrace the hard truth than a reassuring fable. If we crave some cosmic purpose, then let us find ourselves a worthy goal..

While our behavior is still significantly controlled by our genetic inheritance, we have, through our brains, a much richer opportunity to blaze new ….

If you wish to make an apple pie from scratch, you must first invent the universe..

Present global culture is a kind of arrogant newcomer. It arrives on the planetary stage following four and a half billion years of other acts, and a….

Is it fair to be suspicious of an entire profession because of a few bad apples? There are at least two important differences, it seems to me. First,….

And after we returned to the savannahs and abandoned the trees, did we long for those great graceful leaps and ecstatic moments of weightlessness in ….

Science is not perfect. It's often misused; it's only a tool, but it's the best tool we have. Self-correcting , ever changing, applicable to everythi….

That we can now think of no mechanism for astrology is relevant but unconvincing. No mechanism was known, for example, for continental drift when it ….