Cities are natural, that's why they're everywhere. It's not like there's only one city, and everybody's like 'What the f**k is this?' No, cities are all over the place. They're natural. You know what's not natural? You, in the middle of the mountains, in the middle of the winter.

The sensory deprivation chamber has been the most important tool that I've ever used for developing my mind

People for the most part can smell lies.

We're constantly re-evaluating the potential for life. We're finding it where we didn't think it could exist, such as volcanic vents and other extreme conditions like under arctic ice. We're finding life in these incredibly harsh and dynamic conditions, so we're having to re-evaluate our own ideas of what's possible on this planet alone.

It never hurt Lenny Bruce's career to get arrested for swearing. It did back in the time, but he broke those doors down by doing the stuff that he believed in.

The two things I understand best are stand-up comedy and martial arts. And those things require an ultimate grasp of the truth. You have to be objective about your skills and abilities to compete in both.

Selling your life to sit in a box and work for a machine. An uncaring machine that demands productivity that doesn't understand you and doesn't want to understand you... There's no natural behaviour. Everyone is wearing clothes they don't want to wear. Everybody is showing up and doing something they don't want to do. They have no connection to it. That's the problem with our society.