On either side of the doorway of one household are the lines of the couplet, "The tongue inspires trouble--speak less idle words with your friends; study imparts wisdom--advise your children to read a few more books."
如一人家寫「言易招尤，對朋友少說幾句；書能益智，勸兒孫多讀數行」，橫批是「饒詩書氣，有子必賢」。