安全必须始终是我们所做一切的首要任务。

True progress is measured not just in profits, but in the positive impact we have on society.

To do mathematics is to engage in an act of creation and discovery simultaneously.

The greatest photographers are those who have learned to see the world as it is, and then to see it as it might be.

我们都在寻找某样东西，但我们并不总是知道那是什么。

The challenge is to transform the constraints into opportunities.