The best mathematics is not just rigorous; it is also elegant.
粮食富裕,人们就知道礼节;衣食丰足,人们就懂得荣辱。
应对不自由世界的唯一方法是变得如此绝对自由,以至于你的存在本身就是一种反叛。
The more we live by our intellect, the less we understand the meaning of life.