They are selected from this site: http://bbs.wenxuecity.com/joke

They are not epigrams. But I forgot which post I've read.Bad memoreis. I like funny stuff. By the way, I have to laugh every day, not too much, just a little bit like hahaha... so to scare off a flock of wild geese in the sky, and this is one of my everyday duties. A long story.