我们都在阴沟里，但仍有人仰望星空。

The world must be set in order. The time has come when ethics must be dealt with by science, and never again by mere opinion.

The PAC learning framework provides a formal way to quantify the learnability of a concept class.

The only thing you have to fear is fear itself.

译文：人过于贪婪，就像蛇吃掉大象一样可怕，远处的山峰一座还比一座高大。赏析：人的欲望太盛反而会害了自己，贪婪成性，得寸进尺往往会丢掉性命。人做事要量力而行，好高骛远会适得其反。

The cloud stood humbly in a corner of the sky,The morning crowned it with splendour.

银行家的价值不在于管理多少资产，而在于创造多少社会价值。