I still think everything has its life cycle and if you respect it, people enjoy it longer. - Jerry Seinfeld

Stand-up is a physical challenge. It is a mental challenge, but equally physical. And when you're young, of course, it's a breeze! 'Cause you're blessed with youth. Y'know? The ultimate weapon is youth, in life.

I was the only guy, by the way, in the early '80s [who] was welcome on your show and Carson; usually, it was kind of-- that was-- there was a bit of a wall there. [...] If you were a Carson comic, you were probably not young enough or cool enough for Late Night. And vice-versa. But I for some reason was able to go back and forth, and I was always very proud of that, in the early days.

I'm in the unfortunate position of having to consider other people's feelings