| In 721, raising horses was regulated according to rank by stating that 'exercising abstention and moderation and prohibiting luxury are the first things for governance and the way how a king keeps his strong authority.' |
養老5年（721年）に「節を制し度を謹しみ、奢侈を禁防するは、政を為すに先とする所にして百王不易の道なり」と唱えて位階に応じて蓄馬を規制した。 |