維摩經略疏 5.75

5.75

"Therefore I am not competent to go there and inquire after the illness": fourth, concluding his lack of competence. Upāli reflected on his clumsy crossing-over in upholding the precepts, and how in the past he could not remove the transgressions of the two monks, drawing the rebuke of that Mahāsattva, whom he has revered ever since; therefore he is not competent to convey the instruction and inquire after the illness.