工具变量的美妙之处在于它们让我们以新的视角看世界。

晏子春秋

The camera makes everyone a tourist in other people's reality, and eventually in one's own.

在生命中，最微不足道但有意义的事物，也比最伟大但无意义的事物更有价值。

DNA的结构不仅仅是一个发现；它是生物学上的一场革命。

The principle goal of education in the schools should be creating men and women who are capable of doing new things, not simply repeating what other generations have done.

经过多次思考才去做某件事，做事中再跟据实际情况思考，这样才可以。

我年青时以为金钱至上，而今年事已迈，发现果真如此。