1、A faithful friend is hard to find。益友难得。
2、A friend is a second self。朋友是另一个我。
3、Choose an author as you choose a friend。选书如择友。
4、A good book is a best friend who never turns his back upon us。一本好书，莫逆之交。
5、A thousand friends are few， one enemy is too many。朋友千人尚觉少，仇敌一人犹嫌多。
