Jay Leno told me once, 'Don't do jokes about things you don't know about.'

- Bill Engvall

I think Jay Leno is fantastic.

- Brian L. Roberts

It's not like the old competition that you had between Leno and Letterman. It's a friendly competition between Fallon and Stephen.

- Jon Batiste

I'm good friends with Jay Leno, good friends with Ed O'Neill, Melanie Fiona and Russell Simmons.

- Kevin Hart