《宋史·志·卷一》
臣认为用我国中原的规观测，天常常向北偏倚是可以认同的，说极星偏西却不是这样。
臣谓以中国规观之，天常北倚可也，谓极星偏西则不然。
I believe that when using the instruments of China's central plains to observe, it is acceptable to say that the sky generally leans towards the north, but to say that Polaris leans towards the west is not.