In the first place, let us agree that the word poison does not exist, because in medicine use is made of the most violent poisons, which become, according as they are employed, most salutary remedies.

• 首先，我们得同意：毒药这两个字是不存在的，因为最毒的毒药在制造的时候，原也是当药物来用的，只要能按照它正确的用法行事，它就是一种有益的良药。”