没有道德规范的效率只是在错误的方向上加速。

数学不是观赏性运动——你必须参与其中才能欣赏它的美。

I have always considered that the true test of a machine is its practical utility in the hands of the common laborer.

The past is always there, but it's not the only thing that's there.

危机来临时，真正的领导者要敢于担当，快速决策。