心理学是科学，教学是艺术；科学永远不会直接从自身产生艺术。

"我写作是为了让不可见的东西变得可见。"

最重要的发现是那些迫使我们修正先前观念的发现。

Man, unlike any other thing organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments.

上帝等待着人在智慧中重新获得童年。