《增广贤文·上集》
朋友相逢如果不饮酒畅谈，空空而归，就连洞口的桃花也会笑话他们。
相逢不饮空归去，洞口桃花也笑人。
Friends meeting but not drinking and chatting, returning home empty-handed, even the peach blossom at the entrance of the cave will laugh at them.