Every story has an ending, but in life, every ending is just a new beginning.

你越爱自己，就越不会容忍无意义的事。

过去不是监狱，而是跳板。

I must study politics and war that my sons may have liberty to study mathematics and philosophy.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

I'm not a perfectionist, but I like to feel that things are done well. More important than that, I feel an endless need to learn, to improve, to evolve.

一个社会的成功取决于其平衡个人自由需求与社会凝聚力需求的能力。