Today, we take the risk of nuclear war quite seriously, climate change not so much and epidemics least of all. But no single country, not even the United States, is well prepared. And even if one country is doing the right things to protect itself, it has to be a global thing.

The most straightforward path would be if we could bring the cost of solar electric and wind down by another factor of say, three, and then have some miraculous storage solution, so that not only over the 24-hour day but over long periods of time where the wind doesn't blow, you have reliable energy. That's a path. But energy storage is hard. That's not a guaranteed path.

In three years, every product my company makes will be obsolete. The only question is whether we will make them obsolete or somebody else will.

Microsoft's only factory asset is the human imagination.

Antitrust is the way that the government promotes markets when there are market failures. It has nothing to do with the idea of free information.

When you lose a customer, it can be tempting to tell each other, "That customer's not very sharp. They just made the wrong decision".

In the US in the 1900's 60 % of people were employed on the farms. Today it's less than 1%. If you told people back then that this would happen they wouldn't have believed it. If you told them we would have therapy, massages and spas that played important parts in our lives they would've have believed us.