In mathematics, the art of proposing a question must be held of higher value than solving it.

能源需求与环境保护之间的平衡是我们这个时代的挑战。

"The only real failure in life is not to be true to the best one knows."

朗兰兹纲领是对数学知识边界的挑战。

The truth is rarely pure and never simple.

科学应该弥合实验室和实地之间的差距。