每一个数学问题都是一个等待解决的谜题，每一个解决方案都是迈向更深入理解的一步。

Fashion is a way to express who you are without having to speak.

The best investments are those that power both economies and ecosystems.

The writer's secret is not inspiration—for it is never clear where it comes from—but stubbornness, endurance.

天下的根本在于国家，国家的根本在于家庭，家庭的根本在于个人。

你们会墨守陈规，还是勇于创新？