《宋书·本纪·卷八》
自今日起动物皮毛，干鲜果品，一定要按时令采集，那种随心所欲，一律禁止，并订立一项严厉的法律条文。 
自今鳞介羽毛，肴核众品，非时月可采，器味所须，可一皆禁断，严为科制。 
From today on, animal furs, and dried and fresh fruits must be collected according to the season. All random picking is strictly prohibited, and strict legal provisions shall be formulated.