I learn from experience.

I came from a poor family, so working and going to school at the same time was natural. It taught me multi-tasking, although we didn't call it that back then. I learned I could never be idle, I need to be doing many things at once.

Great research universities must insist on independence from government and on the exercise of academic freedom.

We don't have an Official Secrets Act in the United States, as other countries do. Under the First Amendment, freedom of the press, freedom of speech, and freedom of association are more important than protecting secrets.

I don't believe in firing professors. They have academic freedom.