The poor don’t fail to save because they don’t want to—they can’t.
可持续发展不仅是一种趋势,更是我们对后代的责任。
The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.
编程语言中最重要的东西是语义,而不是语法。
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。