大乘起信論義記別記 1.6

1.6

Third, in the Jewel of the Buddha, it may be taken collectively as one, namely the Buddha. Or it may be taken collectively as two, namely the first verse clarifying function, and the two lines of the subsequent verse clarifying essence and marks. Or it may be three, namely two lines in the first verse clarifying the saṃbhogakāya, and the latter one line clarifying the nirmāṇakāya. Or it may be four, namely within the saṃbhoga[kāya], the upper line clarifies mind and the lower line clarifies form.