from Seinfeld:

"Elaine : Ah, George, you know, that woman just looked at you.

George : So what? What am I supposed to do?

Elaine : Go talk to her.

George : Elaine, bald men, with no jobs, and no money, who live with their parents, don't approach strange women.

Jerry : Well here's your chance to try the opposite. Instead of tuna salad and being intimidated by women, chicken salad and going right up to them.

George : Yeah, I should do the opposite, I should.

Jerry : If every instinct you have is wrong, then the opposite would have to be right.

George : Yes, I will do the opposite. I used to sit here and do nothing, and regret it for the rest of the day, so now I will do the opposite, and I will do something!"