The secret of life

That “one thing” – from “City Slickers” (1991)

Curly: Do you know what the secret of life is?
Mitch: No. What?
Curly: This.
Mitch: Your finger?
Curly: One thing. Just one thing.You stick to that and everything else don’t mean shit.
Mitch:That’s great, but… what’s the “one thing”?
Curly: That’s what *you* gotta figure out.