Science isn't just for scientists - it's not just a training for careers.

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

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".

Hate sin. Love righteousness of God.

Don't you agree that if I act like there is nothing going on, other people will behave that way too?

You can't do anything about the past, it's done and can't be mended. But the future is different, if you just think what you really want and reach out and take it.

Thou driftest gently down the tides of sleep.

There is, I think, nothing in the world more futile than the attempt to find out how a task should be done when one has not yet decided what the task is.

Most of the time, I'm here in Michigan and I'm taking out the garbage every Monday.

Good roles are hard to find no matter what age.

There's a lot of revisionist history that goes on these days about Iraq.

Wait, wait. I don't get it.' 'That is because you only have eight functioning brain cells.

Music is the expression of the will of nature while all other arts are expressions of the idea of nature.