A classic book of family instructions written by Zhu Yongchun during the Qing Dynasty. Its five hundred characters provide moral guidelines for daily life and character building. It is a key text for childhood education and is also known as [[治家格言|治家格言|zhi4 jia1 ge2 yan2]] or [[朱子家训|朱子家訓|zhu1 zi3 jia1 xun4]].