最好的故事是挑战现状的故事。
The very existence of libraries affords the best evidence that we may yet have hope for the future of man.
在数学中，没有捷径可走。
历史总是由胜利者书写。当两种文化冲突时，失败者会被抹去，而胜利者则书写历史书籍——这些书籍美化他们的事业，贬低被征服的敌人。
Diplomacy is not an end in itself if it does not advance the interests of the nation.
To be disconnected from the land is to be disconnected from ourselves.
Learning is essentially a matter of stimulus-response connections.