If there is a world here in a hundred years, it's going to be saved by tens of millions of little things.

But I decline to say who has ever listened to them, who has written them, or other people who have sung them.

It was Rachel Carson's famous book 'Silent Spring' that got me involved with the environment. I read it in The New Yorker, in installments. Up to then, I'd thought the main job to do is help the meek inherit the Earth. And I still, that's a job that's got to be done. But I realized if we didn't do something soon, what the meek would inherit would be a pretty poisonous place to live.

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.

Sometimes you find an old tune so good you can use it several times for different purposes.

I try to sing many different kinds of songs. If I sing a batch of humorous songs, I'll throw in a deadly serious song. Or if I'm singing too many serious songs, I'll throw in a ridiculous song, to mix it up.

I was 16 when I came to New York. I had graduated to a tenor banjo in the school jazz band, and it was kind of boring - just chords, chords, chords. Then my father took me to a mountain music and dance festival in Asheville, North Carolina, and there I saw relatively uneducated people playing great music by ear.