最深的伤口是看不见的。

清白是自己的辩护。

All water has a perfect memory and is forever trying to get back to where it was.

The pursuit of science is more than the pursuit of understanding. It is the pursuit of a kind of wisdom that comes from knowing how much we do not know.

I believe in the power of dreams.

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。