As modern society developed, the definition of success varies from generation to generation, but never would the aspiration for success change as time goes on. This arises a controversy how to be success. Some people believe that simulating successful people will led us to meet our goal. On the contrary, those who strongly disagree with this contend that being different from other is the key to bright future.    很多人都在水平下. Most people thought success could be replicated. As matter of fact, so numerous history events tell us that success is unrepeatable. Take tulip mania as example, tulip mania was a period at in the Dutch Golden age which contract prices for bulbs of the recently introduced tulip reached extraordinarily high levels and then suddenly collapsed.At peak of tulip mania, some single tulip bulbs sold for more than 10 times annual income of skilled craftsman. But this mania brought a variety of families to ruin and led a widespread economic chill throughout the Netherlands for many years afterwards. This is so representative that every economics class would not miss it. Admittedly, At first a few people earned a lot of profit from tulip bulbs, and the huge profit space tempted many people to join in this gamble. They insisted that if they traded tulip bulbs like the pioneers, they would gain unprecedented fortune. On the contrary, when a group of bulb traders got together and discovered that suddenly there were no bidders, the bubble burst.