That there are things in this world not carved out of gray stone. That there s a small place inside of us they can never lock away, and that place is called hope.
在这个世界上，有些东西用石头是刻不来的。在我们的心中有块地方是关不住的，那块地方称为自由。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
我记得我的朋友约翰尼·冯·诺伊曼曾经说过，“用四个参数我可以拟合一头大象，用五个我可以让它摆动它的鼻子。”
A scientific man ought to have no wishes, no affections, a mere heart of stone.
激发生命，让生命自由发展，这是教育者的首要任务。