I hope that by 2050 the entire solar system will have been explored and mapped by flotillas of tiny robotic craft.

In future, children won't perceive the stars as mere twinkling points of light: they'll learn that each is a 'Sun', orbited by planets fully as interesting as those in our Solar system.

Absence of evidence is not evidence of absence.

It will not be humans who watch the sun's demise, six billion years from now. Any creatures that then exist will be as different from us as we are from bacteria or amoebae.

I think a few hundred years from now we'll start having the 'posthuman' era of different species.

It's better to read first rate science fiction than second rate science-it's a lot more fun, and no more likely to be wrong.

We need to broaden our sympathies both in space and time - and perceive ourselves as part of a long heritage, and stewards for an immense future.

Science is a part of culture. Indeed, it is the only truly global culture because protons and proteins are the same all over the world, and it's the one culture we can all share.

I'm not myself religious but have no wish to insult or denigrate those who are.

Crucial to science education is hands-on involvement: showing, not just telling; real experiments and field trips and not just "virtual reality".

An insect is more complex than a star..and is a far greater challenge to understand.

Always remember rule #6... don't take yourself so damn seriously

Darkness does not leave up as easily as we would hope.

everything happening for a reason like your reading for my words which make you know that

Democracy becomes a government of bullies tempered by editors.

The generation that had information, but no context. Butter, but no bread. Craving, but no longing.

We do need a return to individual integrity, self-reliance, and old-fashioned gumption. We really do.

You can't take 11 [million people ] at one time and just say, boom, you're gone.

I can hardly eat meat because it has to look like something what it was not when it was alive.

Be comforted with this divine thought that your spiritual and physical pains are the test of the Divine Will.

The fact is that my native land is a prey to barbarism, that in it men's only God is their belly, that they live only for the present, and that the richer a man is the holier he is held to be.