世界必须有序。伦理必须由科学来处理，而不仅仅是意见的时代已经到来。
The world must be set in order. The time has come when ethics must be dealt with by science, and never again by mere opinion.
恭维话从来没有让女人缴械，但可以让男人缴械。这就是性别差异。