我们学得越多，就越意识到我们不知道的还有很多。

By used books. They have the same words as the new ones. Also libraries.

The spread of liberal democracy and the integration of the world economy are the two main forces driving the world towards the end of history.

Respect the laws of nature and follow them.

译文：事情做不好要在自己身上找原因，不要埋怨他人和下属。赏析：事情失败时不要懈怠，多从自身找原因，善于从失败中汲取教训。

写作就是一场漫长的自我教育。

食品的未来取决于传统与创新的平衡。