三十五佛各个于成佛前行菩萨行，发大愿，成佛后，对众生之利益也不同；于自己的恶业，要生追悔心，针对恶业而拜某一佛，亦清净前世无边的恶业。思业之过患，清净对治，同时也要思佛的功德；要具足各个佛的大愿，念名号，对治就会强，最后要做好防护力。

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The Sutra of the Three Heaps, in Sanskrit the Triskhandhadharmasutra, or briefly the Triskandha Sutra (phung po gsum pa'i mdo), is a Mahayana ritual text used primarily by monks and nuns for the purpose of confession of downfalls which means transgressions against the vinaya and bodhisattva vows. The central object of worship is the Thirty-five Confession Buddhas, including Shakyamuni Buddha. The name of the sutra follows from the three principal sections of the text: 1) homage, 2) confession, and 3) and dedication. There are other texts on confession found in the various Mahayana Sutras however none of those appear to have any representations in Himalayan and Tibetan art.