数学是给不同事物起相同名字的艺术。

作家的任务是使熟悉的事物变得陌生，使陌生的事物变得熟悉。

When we are planning for posterity， we ought to remember that virtue is not hereditary.

After climbing a great hill, one only finds that there are many more hills to climb.

如果我们不考虑长期影响，开采效率就毫无意义。