1、Knowledge makes humble, ignorance makes proud.  　　知识使人谦虚，无知使人骄傲。   

2、Learning is the eye of the mind.  　　学问是心灵的眼睛。   

3、There is no end to learning.  　　学无止境。   

4、One is never too old to learn.  　　活到老，学到老。   

5、A good book is a good friend.  　　好书如挚友。