When I sit down in front of a Windows machine, I can't write; when I sit down in front of my Mac, I can write. So I only use Macs.

When you have a strongly held belief, don't you think it's important to express that belief accurately?

I was raised with the idea that if you're not smart enough to do science you can do politics.

That's human nature. Nobody does anything until it's too late.

The planet has survived everything, in its time. It will certainly survive us.

Scientific research was much like prospecting: you went out and you hunted, armed with your maps and instruments, but in the ened your preparations did not matter, or even your intuition. You needed your luck, and whatever benefits accrued to the diligent, through sheer, grinding hard work.

The greatest challenge facing mankind is the challenge of distinguishing reality from fantasy, truth from propaganda. Perceiving the truth has always been a challenge to mankind, but in the information age (or as I think of it, the disinformation age) it takes on a special urgency and importance.