心灵是自己的地方，在那里可以把地狱变成天堂，把天堂变成地狱。
The mind is its own place, and in itself can make a heaven of hell, a hell of heaven.
Think globally, act locally.
In mathematics, the art of proposing a question must be held of higher value than solving it.
译文：有道义的财物可以去谋取，没有道义的钱不能强求。赏析：君子爱财，取之有道。赚钱不可耻，但要走正道。那些来路不正的意外之财莫贪，人要是贪小便宜，终究会吃大亏的。
幸福就是把某人抱在怀里，知道你拥有了整个世界。