The division of labour， so far as it can be introduced， occasions， in every art， a proportionable increase of the productive powers of labour.

The four most dangerous words in investing are: 'this time it's different.'

可持续的做法不是成本，而是对我们共同未来的投资。

我不让任何人黯淡我的光芒。

The psychologist must be a strict empiricist.

解释：看到乱子出现，若不警惕，损失就会更多；如果想掩饰自己的过错，只会使过错更加明显地表露出来。