《水经注·卷一》
所以柱上铭文道：昆仑铜柱，高入天上，圆周就像刀削，通体优美非常。
故其柱铭曰：昆仑铜柱，其高入天，圆周如削，肤体美焉。
Therefore, the inscription on the pillar reads: The Kunlun bronze pillar, soars into the sky, is as round as if it was cut with a knife, and is very beautiful as a whole.