I had low blood sugar, a chemical imbalance, plus the normal nervous breakdown everyone goes through from adolescence to adulthood.

Well, you know, 'Spaceballs' is a weird combination, because it's a simple, sweet little fairytale, and it's crazy and out-there and making fun of and taking apart sci-fi, 'Star Wars', and 'Star Trek'.

I make people laugh for a living. I believe I can say objectively that what I do I do as well as anybody. Just say I'm one of the best broken field runners that ever lived. For 35 years I was a cult hero, an underground funny.

Sir, I have seen your film and it is vulgar! Madame, my film rises below vulgarity.

The only thing we don't have a god for is premature ejaculation... but I hear that it's coming quickly.

Making a movie is like making an ocean voyage, and the script is your ship.

The more serious the situation, the funnier the comedy can be. The greatest comedy plays against the greatest tragedy. Comedy is a red rubber ball and if you throw it against a soft, funny wall, it will not come back. But if you throw it against the hard wall of ultimate reality, it will bounce back and be very lively. Very, very few people understand this.