What you have to do as a comedian, that I suppose is quite difficult, is you have to end it. All the stuff that I've ever done in the past - all the tours - no matter how good it was last year or the year before, that's gone. What exists this year only exists in this time, and then it will be gone.

On his teenage son: To be honest, I'm not sure the same kid comes home each night.

I refuse, whenever possible, to do shows on a Monday. I don't do gigs on a Monday, because nobody laughs on Mondays. Everybody wants Monday to be over. I just won't do 'em. But the rest of the time, in all honesty, it doesn't matter where you are: if something's funny, people laugh.

I don't think interviewing people is any different than normal communication. The only thing is that it has these boundaries set upon it as to what the conversation is about.

You have to have that emotional investment in the jokes that you're saying otherwise they actually don't work. You can say exactly the same thing, but if you don't believe it's funny at the time that you're saying it, it won't be.

If you're a musician, you create what you love and hope other people love it as well. Amongst musicians, the starting point is what they love, and then they bring people to them. As a comedian, you have to say something that people relate to, or nobody laughs. As an actor, you have to perform the character in the way that people relate to.

I can only develop a stand-up show by being on stage. I can't write it. Whenever I see comedy written down, it very rarely makes me laugh.