金光明經文句記 6.27

6.27

二、「善女」下，生子。經「受性聰敏」，敏，達也。《孝經》云「參不敏，何足以知之。」

Second, from "good daughter" downward, the birth of the son. The sūtra says "endowed with an intelligent and sharp nature"; "sharp" (min) means perceptive. The Classic of Filial Piety says: "Can is not sharp; how could he be sufficient to know this?"