Science can increase people's positive knowledge, but it can not improve people's realm.

6、知识是珍宝，但实践是得到它的钥匙。

Knowledge is a treasure, but practice is the key to it.

7、知识是极优秀的著作的基础，同时也是源泉。

Knowledge is the basis and source of excellent works.

8、学习是劳动，是充满思想的劳动。

Learning is labor, is full of ideas.

9、知识之树的果实往往把人们驱出天堂。

The fruit of the tree of knowledge often drives people out of heaven.