The true cost of overfishing is measured in empty nets and broken communities.

The past is always with us, for it feeds the present.

The essence of causal inference is to go beyond the data and ask what would happen if we intervene.

解释：只有去学习才能懂得世间的道理；如果耻于向人求教，许多东西就会永不知晓。

The beauty of mathematics lies in its ability to reveal hidden symmetries and truths.

人类不可能有这样的天赋，他们可以随时随地知道一切事情的一切。但是，对于那些努力工作的人类，他们可以在这个世界上寻找和筛选一个错误定价的赌注，他们偶尔可以找到一个。

The world is before you, and you need not take it or leave it as it was when you came in.