一个走夜路的人碰到一块石头上，他重重地跌倒了。他爬起来，揉着疼痛的膝盖继续向前走。他走进了一个死胡同，前面是墙，左面是墙，右面也是墙。前面的墙刚好比他高一头，他费了很大的力气也攀不上去。                                                                                                                                                                                                                                                                                                                        忽然，他灵机一动，想起了刚才绊倒自己的那块石头，为什么不把它搬过来垫在脚底下呢？想到就做，他折了回去，费了很大力气，才把那块石头搬了过来，放在墙下。                                                                                                                                                                                                                                                                                                                        踩着那块石头，他轻松地爬到了墙上，轻轻一跳，他就越过了那堵墙。遇到问题去面对解决，问题是我们成长的方向，困难挫折就是垫脚石。