One is doing something that nobody knows if it's going to work, and probably won't - Lindberg, perhaps.
Another is doing something you should KNOW isn't going to work, but you don't bother or care.
One is doing something that nobody knows if it's going to work, and probably won't - Lindberg, perhaps.
Another is doing something you should KNOW isn't going to work, but you don't bother or care.