David Letterman said an interview with GQ magazine ... He's going to do a show. He is going to be funny. We're going to be entertained,'" Letterman said about his late night years.

Lisa Kudrow, Dustin Hoffman, and David Letterman also paid tribute to the Oscar-nominated funny lady after her death at 79.

Over the past decade, David Letterman — who walked away from "Late ... He is going to be funny. We’re going to be entertained.' And I kind of felt like that expectation takes quite a lot ...

After his 33-year run as a late-night television host, David Letterman, 69 ... It’s difficult to be funny when you’re sitting on the floor of a mud hut. But talking to kids on the floor ...