Milton Berle

If opportunity doesn't knock, build a door.

Laughter is an instant vacation.

I'd rather be a could-be if I cannot be an are; because a could-be is a maybe who is reaching for a star. I'd rather be a has-been than a might-have-been, by far; for a might have-been has never been, but a has was once an are.

There's a difference between being a comic and a comedian. A comic is a guy who says funny things, and a comedian is a guy who says things funny, and he has a style and point of view that will last much longer.