计算复杂性的研究不仅仅是关于解决问题，还在于理解可计算性的极限。

过去总是与我们同在，因为它滋养着现在。

人生的主要任务是诞生自己。

在数学中，发现的旅程和目的地一样重要。

所有事物都是由土和水生成和成长的。

Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them—and then, the opportunity to choose.

The future belongs to those who dare to rethink the status quo and act boldly.