道德宇宙的弧线很长，但它弯向了正义。
The arc of the moral universe is long， but it bends toward justice.
天下没有几百年不出现弊端的制度，也没有永远不变的法律。
今天投资于幼体营养研究，明天将养活数百万人。
"The truth is rarely pure and never simple."
解释：所谓把粮食积存在取之不尽的粮仓里，就是要努力从事粮食生产。
Legal rules are not merely commands backed by threats.
The best ore deposits are found where others stopped looking.