梅劲，看到洗脚的那段了，不WS啊，哈哈哈

俺当时就想到和基督洗脚有关，觉得可能是这么回事：

In the Bible, Jesus washes the feet of Mary Magdalene to prove that he doesn't think he's better than she. Some churches have engaged in this practice in emulation of that scripture.