多走楼梯。

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.

The most powerful thing you can be is yourself.

在数学中，你不是理解事物，你只是习惯了它们。

下一次工业革命将由我们如何管理资源来定义。