There is an element of truth in every idea that lasts long enough to be called corny.
A man may be hot but he's not when he's shot cause you can't get a man with a gun.
There's no business like show business.
Gos bless America, my home sweet home.
A patriotic song is an emotion and you must not embarrass an audience with it, or they will hate your guts.
Let's face the music and dance.