51. You have to be pretty driven to make it happen. Otherwise, you will just make yourself miserable. 51.你必须非常有动力才能实现这一目标。否则,你只会让自己痛苦。
52. My motivation for all my companies has been to be involved in something that I thought would have a significant impact on the world. 52.我所有公司的动力都是参与我认为会对世界产生重大影响的事情。