Mathematics is the language in which God has written the universe.
要这样行动，使得你意志的准则任何时候都能同时被看作一个普遍立法的原则。
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.
我们独处时的自己与在他人面前时从不一样。即使在黑暗中，我们也是不同的。
If you enter this world knowing you are loved and you leave this world knowing the same, then everything that happens in between can be dealt with.