51、读书如交友，应求少而精。
Reading, like making friends, requires less and more refinement.
52、不打不相识。
I don\'t know each other.
53、万两黄金容易得；一个知心最难寻。
Twelve thousand gold is easy to get; one heart is the hardest to find.
54、滥交者没有朋友。
He who makes promiscuity has no friends.
