自信不是"他们会喜欢我",而是"他们不喜欢我也没关系"。
Around computers it is difficult to find the correct unit of time to measure progress. Some cathedrals took a century to complete. Can you imagine the grandeur and scope of a program that would take as long?
市场足够有效,以至于大多数投资者在长期内不会超越市场。