"A man spent hours watching a butterfly struggling to emerge from its cocoon. It managed to make a small hole, but its body was too large to get through it. After a long struggle, it appeared to be exhausted and remained absolutely still. The man decided to help the butterfly and, with a pair of scissors, he cut open the cocoon, thus releasing the butterfly. However, the butterfly's body was very small and wrinkled and its wings were all crumpled. The man continued to watch, hoping that, at any moment, the butterfly would open its wings and fly away. Nothing happened; in fact, the butterfly spent the rest of its brief life dragging around its shrunken body and shrivelled wings, incapable of flight.