大乘法苑義林章 3.27

3.27

"‘This is proclaimed by the seven Buddhas of the three periods of time to rescue bhikṣus of evil restraint in the final age, causing them to abide firmly in the pure stage. If one commits the four grave offenses, one should single-mindedly remember this dhāraṇī, recite it one thousand four hundred times, and only then perform one repentance. One should invite one bhikṣu to be a witness, confess one's sins oneself, and repent in such succession before an image for eighty-seven days; if these roots of the precepts do not regenerate, it is impossible. If after eighty-seven days that person does not become firm in unexcelled bodhi, it is also impossible. How does one know that one has attained abiding in pure precepts? If in a dream one sees a teacher or elder stroking one's head with their hand, or parents, brāhmaṇas, elders, or virtuous persons of this kind, if they give food and drink, clothing, bedding, or decoctions and medicines, one should know that this person abides in pure precepts. If a bhikṣuṇī commits the eight kinds of offenses, she should recite this dhāraṇī. The mantra says:'