It's my life, it's now or never.

心理学家必须是一个冷静的观察者。

To understand the arithmetic of algebraic varieties is to understand the symmetries hidden within them.

Labor economics is fundamentally about understanding people’s choices and constraints.

We are all obsessed with the idea of the frontier, but it's a frontier that keeps receding.

我从未上过时装学校。我是一个热爱服装的销售员。

The most interesting art is the art that asks questions.