Singing with children in the schools has been the most rewarding experience of my life.

I always knew that sooner or later there would come somebody like Woody Guthrie who could make a great song every week. Dylan certainly had a social agenda, but he was such a good poet that most of his attempts were head and shoulders above things that I and others were trying to do. ... If I had an address, I'd send him a birthday card saying, 'keep on going.'

I like to say I'm more conservative than Goldwater. He just wanted to turn the clock back to when there was no income tax.

The world would never amount to a hill of beans if people didn't use their imaginations to think of the impossible.

When will we ever learn? When will we ever learn?

I believe that all technological societies tend to self-destruct. The reason is that the very things that make us a successful technological society, such as our curiosity, our ambition and determination, will also cause us to fall.

Edison failed ten thousand times before he perfected the modern electric lamp. The average man would have quit at the first failure. That's why there are so many average men and only one Edison.