The dinosaurs became extinct because they didn't have a space program.

The human species really could have faced global thermonuclear war. During seventy years of Cold War we grew used to it.

I've spent a lot of my life among people brighter than myself.

My problem with new writers is that it takes me five or six years to memorise the right names.

We should not have assumed that a political space station could be built.

I'd repair our education system or replace it with something that works.

Spray a book with insect spray, drop it in a bag, add some mothballs and seal it. Put it in another bag and seal it. Another. The packages piled up on the floor, each a book sealed in four plastic envelopes.