I think imaginative exercises can have a profound impact on the future - what you can imagine can sometimes turn into something you can figure out how to build.

Although I've had several major career changes, I was extremely hesitant about making some of them.

By placing intelligence at the edges rather than control in the middle of the network, the Internet has created a platform for innovation.

I was very nervous about going up to teach at Stanford and very nervous even about going to ARPA.

Today we have 1 billion users on the Net. By 2010 we will have maybe 2 billion.

In the larger companies, you have this tendency to get top-down direction.

My reaction to a lot of the current situation that we're in is based in part on a serious concern that the present administration's course ignores reality.