And suppose we solve all the problems it presents? What happens? We end up with more problems than we started with. Because that's the way problems propagate their species. A problem left to itself dries up or goes rotten. But fertilize a problem with a solution — you'll hatch out dozens.
New English Dramatists 2, A Resounding Tinkle, Act I, Scene 1 (pp. 80-81), Penguin Books. 1960