We were pretty good mates until the Beatles started to split up and Yoko came into it. It was more like old army buddies splitting up on account of wedding bells.

One may not eat what has a face.

The medical argument for animal testing doesn't stand up. Even if it did, I don't think we should kill other species. We think we're so much better; I'm not sure we are. I tell people, We've beaten into submission every animal on the face of the Earth, so we are the clear winners of whatever battle is going on between the species. Couldn't we be generous? I really do think it's time to get nice. No need to keep beating up on them. I think we've got to show that we're kind.

When you were young, and your heart, was an open book. You used to say, live and let live.

Out of all those millions and millions of planets floating around there in space, this is our planet, this is our little one, so we just got to be aware of it and take care of it.

Animation is not just for children - it's also for adults who take drugs.

I would quite like to have been a 1920s writer.