世界称之为不道德的书籍，其实是展示世界自身羞耻的书籍。

最大的智慧在于简单。

The greatest problem for mathematicians now is probably the Riemann Hypothesis.

Sustainability is not an option—it's a responsibility we owe to the next generation.

"Hope is the thing that keeps us moving forward, even when the path is dark."

The biggest thing is to be yourself and have fun.