在数学中，提出问题的艺术必须比解决问题更有价值。

"The most thought-provoking thing in our thought-provoking time is that we are still not thinking."

Writing is a way of making sense of the world, and of making sense of ourselves.

我们都是自己犹豫的总和。

经济增长和环境责任之间的平衡是我们这个时代的决定性挑战。

Leadership is about making tough decisions with a clear vision.