数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

The most important quality in a scientist is persistence.

We have a responsibility to future generations to leave the planet in better shape than we found it.

The true way is along a rope that is not spanned high in the air, but just above the ground. It seems intended more to cause stumbling than to be walked upon.

我们生活在阴沟里，但依然有人仰望星空。