It's hard to be funny when you have to be clean.

I'm not funny. What I am is brave.

If I studied all my life, I couldn't think up half the number of funny things passed in one session of congress.

A man's got to take a lot of punishment to write a really funny book.

Why is Cloud 9 so amazing? What is wrong with Cloud 8? That joke came off the top of my head, and the top of my head ain't funny!