辯正論 6.33

6.33

外八異曰（注老君蹈五把十。美眉方口。雙柱參漏。日角月懸。此中國聖人之相）。

The External Eighth Difference states: (Note: Lord Lao trod on the five and grasped the ten; he had fine eyebrows and a square mouth, double pillars and triple leaks, sun-like temples and a moon-like forehead; these are the marks of a sage of the Central State.)