David Letterman

I cannot sing, dance or act; what else would I be but a talk show host.

I had no idea this thing was televised. Boy, is my face red.

There is no off position on the genius switch.

It is often in the name of cultural integrity as well as social stability and national security that democratic reforms based on human rights are resisted by authoritarian governments.

Technology is characterized by constant change, rapid innovation, creative destruction, and revolutionary products.

It's good to like yourself, and that only comes from hard work, from doing. But vanity is dangerous; it can trip you badly.