【导读】 不要羡慕别人的成就，别人的成就都是通过每一天的努力取得的，想要自己成功就得付出辛劳。失败了，不要抱怨，事情终会有好转，我们不可能永远微笑，因为我们会经历磨难，但是挺过去，便守得云开见月明。
Heights
By Longfellow
The heights by great men reached and kept，
Were not attained by sudden flight；
But they，while their companions slept，
Were toiling upward in the night.
