Productivity metrics that ignore environmental impact are accounting tricks, not real progress.

译文：聪明用错地方了，不如一辈子愚钝；交友不慎，错交朋友，还不如静下心来读书。赏析：聪明反被聪明误，聪明的才智用在正道，才能凸显它的价值，反之则会贻害无穷。朋友在于精，不在于多，狐朋狗友千千万，不如知己一人。

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

要想端正自身行为，先要端正自己的身心；要想处理好天下大事，先要处理好身边小事。

"Every book is a journey, and every journey is a book."

The problem with quantitative easing is that it works in practice but it doesn't work in theory.

唯一你应该低头看人的时候，就是你在帮助他们站起来的时候。