Theories are not so much overthrown by better theories as they are abandoned by practitioners who lose interest in them.
理论很少被更好的理论推翻，更多的是被失去兴趣的实践者抛弃。
我教育孩子们要独立——就像我自己一样。
过去是一面镜子，但我们往往只看到自己想看的东西。
商业中最强大的工具是信任。