I thought I had to live that partying lifestyle in order to be authentic, but in fact if you keep it up too long, all you're going to be is sloppy or dead.

The one thing I know is that if you're not paying attention, it will come back to bite you.

There's lots of flaws and frailties and cracks in the armor, and nobody wants to put themselves out there as some kind of Joan of Arc because none of us can live up to that, but I'm grateful to be a role model and be respected because I have a whole slew of people, men and women, that I feel the same way about.

I have a really full life, both within music and outside it.

In 1967 I entered Harvard as a freshman, confident - in the way that only 17-year-olds are - that I could change the world. My major was African Studies, and my plan was to travel to Tanzania, where President Julius Nyerere was creating a government based on democracy and socialism.

Those of us who grew up in the '50s and '60s, we had the dream that this could be turned around, and the earth could be back in balance, and that we could level the playing field with men and women and pay, and you know, minority groups having equal opportunity. We just magically thought this was all going to happen: we were going to have clean food, and organic this, and conscious that, and it just didn't happen.

There's so many amazing articles coming out all the time and because of the internet circulating great writing - even if the writers don't get paid enough most of the time, unfortunately - but there's never been a more amazing flow of information on all of the issues. I would love to see a revival of what we had against the war in the '60s - we could do thes