The easiest way to avoid wrong notes is to never open your mouth and sing. What a mistake that would be.

Do you know the difference between education and experience? Education is when you read the fine print; experience is what you get when you don't.

I have to resist the temptation to want to learn everything. You know, you can't. You have to restrict yourself at some time, or else you find yourself just being spread too thin. And already I think I try too many things.

I am not going to answer any questions as to my association, my philosophical or religious beliefs or my political beliefs, or how I voted in any election, or any of these private affairs.

Down through the centuries, this trick has been tried by various establishments throughout the world. They force people to get involved in the kind of examination that has only one aim and that is to stamp out dissent.

Hope that there are many, many small leaders.

I would ask, "How can one have a technological society without research? How can one have research without researching dangerous areas? How can one research dangerous areas without uncovering dangerous information? How can you uncover dangerous information without it falling into the hands of insane people who will sooner or later destroy the human race, if not the whole of life on earth?" Who knows? God only knows!