Mathematics is the art of giving the same name to different things.
【译文】 孔子说：“我不是天生就有学问的，只是个喜欢读书、勤奋敏捷地追求知识的人。”
The only freedom which deserves the name is that of pursuing our own good in our way， so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.
