A proof is a device for convincing someone else that a mathematical statement is true.
The ocean feeds billions, and it's our duty to ensure it can continue to do so.
文学是一面镜子，反映我们的形象，也是一扇窗户，让我们看得更远。
我们期望的晚餐并非来自屠夫、酿酒师或面包师的恩惠，而是来自他们对自身利益的关注。
爱情不需要理由。它来自心灵非理性的智慧。
There is no man, however wise, who has not at some period of his youth said things, or lived in a way the consciousness of which is so unpleasant to him in later life that he would gladly, if he could, expunge it from his memory.
