与怪物搏斗的人应小心,免得自己也变成怪物。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
人比事物更需要重建,刷新,复兴,回收和救赎;永远不要抛弃任何人。
"The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember."