大般涅槃經義記 1.228

1.228

下對初請，勸止悲中，先對向前如來不欲久住之言，明有為法多過難住；「是故」已下對上文中「我當云何而不啼哭」結勸止悲。前中，「汝觀一切行雜」，勸其觀苦。「諸法無我」，勸觀無我。「無常不住」，勸觀無常。「此身多有無量過患」，勸觀不淨。「猶如水泡」，勸觀其空。「是故汝今不應啼」者，是有為法具前諸過，不可住故，不應啼泣。

Below, in response to the initial entreaty, in advising him to stop his grief: first, in response to the previous words that the Tathāgata does not wish to abide long, he explains that conditioned dharmas have many faults and are difficult to maintain; from "therefore..." downward, in response to the words in the text above, "how could I not weep?", he concludes by advising him to stop his grief. In the former: "you contemplate that all formations are mixed" advises him to contemplate suffering. "All dharmas are without self" advises contemplating non-self. "Impermanent and not abiding" advises contemplating impermanence. "This body has countless faults and perils" advises contemplating impurity. "Just like water bubbles" advises contemplating their emptiness. "Therefore you now should not weep" means that because conditioned dharmas possess all the preceding faults and cannot abide, one should not weep.