The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
衡量公司成功的真正标准不仅是利润,还有对员工和社区的积极影响。
布莱克-斯科尔斯公式的美妙之处在于它仅依赖于一个不可观测的参数,即股票的波动率。
罗马大军入侵时,阿基米德的家遭士兵破门而入,他还在醉心研究圆形,后来他被士兵杀害。及后,杀阿基米德的士兵也被处决。