We need to start thinking about the future of food if we are going to feed 9 billion people in a way that does not destroy our environment.

Humanity’s greatest advances are not in its discoveries – but in how those discoveries are applied to reduce inequity. Whether through democracy, strong public education, quality health care, or broad economic opportunity – reducing inequity is the highest human achievement.

The difference between a stranger sending you a message that you might be interested in at a very low volume level, no repetition, just sending it to very few people, and that being done as spam - those things get close enough that you want to be careful never to filter out something that's legitimate.

Your customers get better when you do.

I have a particular relationship with Vinod Khosla because he's got a lot of very interesting science-based energy startups.

We have over 60 million machines that can take the same diskette, plug it in and immediately ah, that that software's working. And so it's created the worldwide software industry that... that is so very competitive and moving so quickly.

There will be two types of businesses in the next 5 years, those that are on the Internet, and those that are out of business