世界所有的前进动力都归功于不安分的人；幸福的人不可避免地把自己限制在古老的界限内。
Food security is a global issue that requires local action.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.
程序最重要的属性是它是否实现了用户的意图。
The silliest woman can manage a clever man; but it needs a very clever woman to manage a fool.