At MIT, I had the good fortune for seven years to teach network theory, which is basic to many disciplines, to one-third of the undergraduate student body. It was an experiment to see how high we could bring their level of understanding, and it exceeded all of my expectations.

The excitement level for me working on projects is really not a bit different from when I was 26.

At MIT, I had the good fortune for seven years to teach network theory, which is basic to many disciplines, to one-third of the undergraduate student body. It was an experiment to see how high we could bring their level of understanding, and it exceeded all of my expectations.

I had studied violin from age 7 to 14.

I'm forming a charitable institution for education.

At 13, I realized that I could fix anything electronic. It was amazing, I could just do it. I started a business repairing radios. It grew to be one of the largest in Philadelphia.

There is an enormous inertia that prevents people from change. You must always remember that it is impossible to make something better if you don't make it different - the converse is not true, of course. You cannot make something better unless it is different. And different scares the life out of so many people.