I don't think you're as capable of handling lack of sleep or whatever challenges you throw at your body as you get older. However, I never missed a day of work.

The worst pandemic in modern history was the Spanish flu of 1918, which killed tens of millions of people. Today, with how interconnected the world is, it would spread faster.

To win big, you sometimes have to take big risks.

Windows 2000 already contains features such as the human discipline component, where the PC can send an electric shock through the keyboard if the human does something that does not please Windows.

I can understand wanting to have millions of dollars; there's a certain freedom, meaningful freedom, that comes with that.

Now, we put out a lot of carbon dioxide every year, over 26 billion tons. For each American, it's about 20 tons. For people in poor countries, it's less than one ton. It's an average of about five tons for everyone on the planet. And, somehow, we have to make changes that will bring that down to zero.

We all have the chance to create a world where extreme poverty is the exception rather than the rule.