要理解心理学，就要在自然环境中观察行为。

The artist must be a servant of the sacred.

A Book of Verses underneath the Bough, A Jug of Wine, a Loaf of Bread—and Thou Beside me singing in the Wilderness— Oh, Wilderness were Paradise enow!

学习永远不会使心智枯竭。

The severe morals of the early Romans produced a race of men who were neither superstitiously devout nor philosophically skeptical.