"Traditional educational toys appeared in wood, metal and cotton thread in their common guise, and perhaps in ivory or gold at court, but because they were always seen as brilliant curiosities having no connection with officialdom, they rarely made it into written history."
「民間的益智玩具以木、鐵、棉繩等樸拙面貌出現在街頭巷尾，或以象牙、金屬等上等材料成為宮內的遊戲珍品，卻因被視為與功名利祿無關的『奇技淫巧』，很難見於正史記載。」