"If something cannot go on forever, it will stop." - Herb Stein Point is, we can look at the situation, and recognize "that can't go on forever". And then we

"If something cannot go on forever, it will stop." - Herb Stein Point is, we can look at the situation, and recognize "that can't go on forever". And then we can say so, sometimes in public places. And there's nothing wrong with that.