There's something about the human brain, that it actually has a predilection towards negativity, which served us really well when we lived in an environment that was very threatening.

You make mistakes and you learn from them.

To paraphrase Paul from the New Testament, he has a great soliloquy about love, where he's basically saying, if I've figured out the secrets of the universe but I don't have love, figuring out the secrets of universe means nothing.

I was raised with this idea that we're supposed to be tolerant of other people's opinions, but then what happens if other people's opinions are racist and hateful and wrong?

There's really no reason for any musician, writer, actor to ever take themselves seriously. If you work in a needle exchange, take yourself seriously. You're doing good work. If you're involved in hostage negotiations and saving lives, you can have a sense of entitlement.

I like tea and yoga, but I don't do yoga.

If you and I become vegans, the global consequences aren't going to be that much. But if we can get a few hundred million people to become a little more aware and cut back on their animal consumption, the consequences will be great.