《宋书·志·卷十六》
本来已知道《谷梁传》裹说春季三个月都是可以举行郊祀的月份，真可以说是肤浅了。
固知《谷梁》三春皆可郊之月，真所谓肤浅也。
It is already known that the <Gu Liang Zhuan> says that the three months in spring are all months when suburban sacrifices can be held. It can be said that it is really superficial.