数学不知道种族或地理界限；对于数学来说，文化世界是一个国家。

幸福的秘密在于看到世界上的所有奇迹，并且永远不要忘记勺子上的油滴。

讲述完全真相的方法只有两种：匿名或者死后。

拥有朋友的唯一方式就是成为别人的朋友。

Stories you read when you're the right age never quite leave you. You may forget who wrote them or what the story was called. Sometimes you'll forget precisely what happened, but if a story touches you it will stay with you, haunting the places in your mind that you rarely ever visit.

行为由当前刺激情境和过去的强化历史决定。

Happiness requires both pleasure and purpose - neither alone is sufficient.

Economic development must be coordinated with environmental protection.

让你最不耐烦的是你最大的学习来源。

你能做的最好的投资就是投资自己。