大乘起信論廣釋卷第三．四．五 4.102

4.102

[Treatise:] Question: If the Buddhas... how can they manifest physical marks? [Commentary:] Above, the marks of activity were clarified. Next, doubts are cleared and explained. Herein there is question and answer; this is the first. If one says that the dharmakāya has no physical marks, how can it manifest the physical marks of the saṃbhoga[kāya] and nirmāṇa[kāya]?