著名的心理学大师戴尔·卡耐基应邀在一座体育馆内做一场关于成功的演说。那天,会场人山人海,座无虚席,人们在急切地等待这位大师帮助自己叩开成功之门。人们吃惊地发现,舞台的正中央吊着一个巨大的铁球,为了挂起这个铁球,台上搭起了一个高大的铁架。卡耐基,在人们热烈的掌声中微笑着走上舞台,在卡耐基的旁 The famous psychology guru Dell Carnegie was invited to make a speech on success in a gymnasium. That day, the venue was packed with people, people are eagerly waiting for the master to help themselves knock open the door to success. People were surprised to find that there was a huge iron ball hanging in the center of the arena. To hang this iron ball, a tall iron stand was erected on the stage. Carnegie, smile in the warm applause of people onto the stage next to Carnegie