Speculation leads you the wrong way. It allows you to put your emotions first, whereas investment gets emotions out of the picture.
投机把你引向错误的道路。它允许你把你的情绪放在第一位，而投资则把情绪排除在外。
The world won't remember what you say, but it will never forget what you do.
Every problem in mathematics is an opportunity to learn something new.
历史上的重大战争——我们有幸经历了最伟大的一场——是国家间不平衡增长的直接或间接结果。