"A productive mistake is: made in the service of mission and vision; acknowledged as a mistake; learned from; considered valuable; shared for the benefit of all."

“When I meet people who say, "Oh, there's no hope, Peter, look at the things that are going wrong, and those stupid people in Bosnia, there are going to be things like that all around the world, power-hungry people says I know how to handle this, just give me the bomb. There's no hope." But I say to them, I said, "Did you ever think that our great Watergate president would leave office the way he did?" "No, I guess I didn't think that." I said, "Did you think that the Berlin Wall would come down so peacefully?" "No, I didn't think that would happen, yeah." I said, "Did you think Mandela would be president of South Africa?" "No, I didn't predict that." "Well, if you couldn't predict those three things, then don't be so confident that there's no hope." And I give them a bumper sticker. It says, "There's No Hope, But I May Be Wrong.”

“I still call myself a communist, because communism is no more what Russia made of it than Christianity is what the churches make of it. But if by some freak of history communism had caught up with this country, I would have been one of the first people thrown in jail.”

“City Journal article on "America's Most Successful Communist”

“I'd really rather put songs on people's lips than in their ears.”

“A good song can only do good, and I am proud of the songs I have sung. I hope to be able to continue singing these songs for all who want to listen, Republicans, Democrats, and independents.”

“Shh. Listen to the sounds that surround you. Notice the pitches, the volume, the timbre, the many lines of counterpoint. As light taught Monet to paint, the earth may be teaching you music.”