粮食富裕，人们就知道礼节；衣食丰足，人们就懂得荣辱。
The value of information is not in knowing more, but in knowing what others don't know.
True leadership means making tough decisions today that will benefit future generations.
Every intervention should leave things better than we found them.
A mathematician's work is mostly a solitary pursuit, but it builds on the work of many others.