I have to remind myself that some birds aren't meant to be caged. Their feathers are just too bright. And when they fly away, the part of you that knows it was a sin to lock them up does rejoice.

We’re turning everything on the planet into food for humans so we’re cutting down the rainforests, displacing all of the animals, and we’re doing all this to feed humans... ... Imagine if there were only 2 billion people polluting? We’re already overpopulated. I feel we’ve become a parasite on this planet. If this population keeps growing, we’ll just keep devouring the planet, and I don’t think it’s going to stand for that very long.

People say it's a movie about boxing, but... I don't agree at all. I don't think it's a movie about boxing. Boxing is like a platform. It's just a stage where this is played out.

One universe, four forces, billions of galaxies. The precision and complexity of our world is enough to make even the famous cosmologist go just a little bit crazy. How does it all fit together? Is there a single, overarching design to the cosmos? And if we find it, will we glimpse the mind of God?

The public feels that if it's on the Internet and you can access it, you deserve it. You haven't committed any kind of crime. We may even have to rename piracy. But in any case, we have to confront it.

The accident was a horrible thing - but that horrible thing made Chris, at the end of his life, Superman. It's a happy irony if there is such a thing. I'm proud to have known him.

Insanity is being shit on, beat down, coasting through life in a miserable existence when you have a caged lion locked inside and a key to release it.