"The human heart, at whatever age, opens only to the heart that opens in return."
无论什么年龄，人心只会向同样敞开的心敞开。
The worst sin toward our fellow creatures is not to hate them, but to be indifferent to them: that's the essence of inhumanity.
数学研究是一场没有终点的旅程。
沉默不是某物的缺失，而是一切的存在。
梦想不是去追逐的东西，而是会追逐你的东西。