所有企业需要永葆青春。如果客户群与你一起变老，你就会重蹈伍尔沃斯的覆辙。

The Worldly Hope men set their Hearts upon Turns Ashes—or it prospers; and anon, Like Snow upon the Desert's dusty Face, Lighting a little hour or two—is gone.

数学之美在于它能够将复杂的事物简化。

The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.

法治是一种政治理想，而不是一个法律概念。