大方廣圓覺修多羅了義經略疏 1.433

1.433

二、正釋其相者，即迷自法身真智，認他四大緣念，是無明之相也。故肇公云：「法身隱於形殼之中，真智隱於緣慮之內。」文二：一、法。

Second, as for directly explaining its characteristics: this means being confused about one's own dharmakāya and true wisdom, and mistaking the external four elements and conditioned thoughts [for oneself]. These are the characteristics of avidyā. Therefore Master Zhao said: "The dharmakāya is hidden within the physical shell; true wisdom is hidden within conditioned cogitations." The text has two parts: first, the doctrine.