Life on Earth is at the ever-increasing risk of being wiped out by a disaster, such as sudden global warming, nuclear war, a genetically engineered virus or other dangers. I think the human race has no future if it doesn't go into space. I therefore want to encourage public interest in space.

Theology is unnecessary.

In fact, if one considers the possible constants and laws that could have emerged, the odds against a universe that produced life like ours are immense.

I'm really easy to get along with once you see it my way.

Now, radical forward thinking is offering hope for the future: Replacement body parts to order. A team of scientists in California believe that if you can design them on a computer, you should be able to print them out.

The doctor who diagnosed me with ALS, or motor neuron disease, told me that it would kill me in two or three years.

Most sets of values would give rise to universes that, although they might be very beautiful, would contain no one able to wonder at that beauty.