朋友宣扬人的美德，敌人夸大人的罪过。
6、A friend is best found in adversity.
患难见真友。
7、One tree does not make a forest.
独木不成林。
8、To find friendship offer friendship.
以友谊换友谊。
9、A man is known by his friends.
什么人交什么朋友。
10、Life without a friend is death without a witness.
没有朋友的生活等于孤独一人死去。
11、A friend is never known till a man has need.
不到患难时，永远不能认识真正的朋友。
12、Admonish your friends in private, praise them in public.
在私底下要忠告你的朋友，在公开场合又表扬你的朋友。
13、Books, like friends, should be few and well chosen.
