Today's brains are yesterday's mashed potatoes.

People often think I'm a faker, but I'm usually honest, in a certain way--in such a way that often nobody believes me!

Science is of value because it can produce something.

I have argued flying saucers with lots of people. I was interested in possible. They do not appreciate that the problem is not to demonstrate whether it's possible or not but whether it's going on or not.

I have to disregard everybody else, and then I can do my own work.

There is no learning without having to pose a question. And a question requires doubt.

All mass is interaction.