No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

数学不仅仅是关于数字、方程、计算或算法，而是关于理解。

He who knows only his side of the case knows little of that.

公司的价值观是指南针；没有它们，你只是在随波逐流。

There is no doubt that in exchanging a self-centered for a selfless life we gain enormously in self-esteem. The vanity of the selfless, even those who practice utmost humility, is boundless.