The scientists who attack mainstream religion, rather than striving for peaceful coexistence with it, damage science, and also weaken the fight against fundamentalism.

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".

Set your soul in search of th he truth.

Sunglasses are more useful to a blind man than freedom of speech is to a man who does not think for himself.

As hard as my life has been I have no desire for revenge. If I wish for anything it is for all the things that have been stolen from my life to be returned to me.

Magic lives in curves not angles.

When ignorant folks want to advertise their ignorance, you don't really have to do anything, you just let them talk.

People don't like to feed live mice and rats to their snakes. Now we have a regular meat food that they will eat. Ninety percent of the snakes will eat this food and love it.

Israel has the best engineers in the world... I view Israel as a tremendous source of technologies

I've noticed Dracula was often as practical a fellow as he was a nasty one.

Write your first draft with your heart. Rewrite with your head.

I am weary of a task which is done and I hope I shall not shrink when the aftermath ends. My only wish is to live peacefully out the remaining years - if years they be.