腐蚀青年的最确切方式是教导他们更高度尊敬那些与他们想法相同的人，而不是那些有不同想法的人。

永远不要停止学习，因为生活永远不会停止教导。

A mathematical proof is a poem written in the language of logic.

The past is hidden somewhere outside the realm, beyond the reach of intellect, in some material object (in the sensation which that material object will give us) which we do not suspect.

通信的未来不仅仅是速度，而是为行业创造价值。

I'm mentioning all this -- I'm mentioning all this because I think this is not merely a personal problem; you may think I'm wrong in this, but I think we live in an age when our lives are regularly punctuated by career crises, by moments when what we thought we knew -- about our lives, about our careers -- comes into contact with a threatening sort of reality.