To ensure continuing prosperity in the global economy, nothing is more important than the development and application of knowledge and skills.

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".

I love immigrants. Legal, illegal - they're not to be despised.

man's oldest and least reputable occupation - war.

Human beings and their actions constitute the advancing front, the surging crest of an ongoing movement that never stops.

At Length the Fox turnes Monk.

And this is the way a novel gets written, in ignorance, fear, sorrow, madness, and a kind of psychotic happiness as an incubator for the wonders being born.

You can't be normal and expect abnormal returns.

Investors that do the best, and have done the best, are those that stay and compound at above-average rates over the long term.

I just don't want you to feel uncomfortable about this," he says. Say: "Hey. I am a very cool person. I am tough." Show him your bicep.

Fact is not truth, but a poet who wilfully defies fact cannot achieve truth.

The learned man's life itself shines as the message for mankind.