The great thing about a computer notebook is that no matter how much you stuff into it, it doesn't get bigger or heavier.

Our leadership [in Microsoft ] has that - "hey, we are the best in certain ways," and so we get the best people. That any kind of positive dynamic is quite good, so I love what's going on there, it's fun.

Two out of every five people on Earth today owe their lives to the higher crop outputs that fertilizer has made possible.

When I say "an energy miracle," I mean that there will be some form of energy whose 24 hour cost really is competitive with hydrocarbons given, say, 20 years of learning curve. You invent it, then you look at how much its costs go down over the next 20 years, that it really beats hydrocarbons.

We will never make a 32-bit operating system.

I've always been interested in science - one of my favourite books is James Watson's 'Molecular Biology of the Gene.'

Bridge is one of the last games in which the computer is not better.