大毘盧遮那成佛經疏 14.39

14.39

「以是祕密主！真言門修行菩薩，已發菩提心，當住佛地作漫荼羅」，若謂今末世諸真言行菩薩等，同越三昧耶罪，決定墮惡趣者，謂今末世諸真言行菩薩已發大心者，當住於佛地，然後造立漫荼羅。若不如此而檀作者，即為謗佛也。是故上來所說，阿闍梨當可知彼印真言等法，一一善達軌則。又當久修瑜伽之行，淨身口意業，體解平等三業法門之行，由此瑜伽及真言并身印等所加持故，即是同於諸佛菩薩等身，同於佛位。以此相應三昧事理不相違，而建立圓壇乃至方所色像等，一一稱理又不錯失、善知次第，當知必定獲大利不虛也。若不爾者，即得越三昧耶罪。三昧耶者，是自誓也。一切如來本所立誓願，為欲普為一切眾生開佛知見，令悉如我，以方便故而立此法。是故猶如世間大王之教勅不可過越，為越者必獲重責也。是故當與菩提心相應，住於佛地而作之。有不順教者，徒費功夫虛棄光景，終無所成，徒招罪咎無所益也。是故行者當審求經法，又訪明師開示，勿為自誤耳。已廣說印品竟。

"Therefore, Lord of Mysteries! A bodhisattva practicing in the mantra gateway, having already generated the bodhicitta, should abide in the Buddha-stage and construct the maṇḍala." If one says that in this degenerate age, bodhisattvas practicing mantras alike commit the sin of transgressing the samaya and will definitely fall into evil destinies, it means that in this degenerate age, bodhisattvas practicing mantras who have already generated the great mind should abide in the Buddha-stage and only then construct the maṇḍala. If one does not do so and acts arbitrarily, that is slandering the Buddha. Therefore, regarding what has been explained above, the ācārya must understand those methods of mudrās, mantras, and the like, and thoroughly master each and every rule. Furthermore, he must long cultivate yogic practices, purify the karma of body, speech, and mind, and personally realize the practice of the Dharma-gateway of the equal three karmas. Because of being empowered by such yoga, mantras, and bodily mudrās, he is identical in body with the Buddhas and bodhisattvas, and identical with the Buddha-stage. Through this, corresponding in samādhi where phenomena and principle do not contradict each other, he erects the round altar down to the directions, colors, and images, each according with principle without error, knowing well the proper sequence; one should know that he will definitely obtain great benefit, not in vain. If he does not do so, he incurs the sin of transgressing the samaya. "Samaya" is one's own vow. All Tathāgatas originally established their vows to universally open the Buddha's knowledge and vision for all sentient beings, wishing them all to be like myself, and established this Dharma through upāya. Therefore, it is like the edict of a great worldly king that must not be transgressed; whoever transgresses it will surely incur severe punishment. Therefore, one must correspond with the bodhicitta, abide in the Buddha-stage, and construct it. Those who do not comply with the teaching waste their efforts and squander their time in vain, accomplishing nothing in the end and merely bringing upon themselves guilt without any benefit. Therefore, practitioners should carefully investigate the sūtra teachings and seek out clear masters for instruction, so as not to mislead themselves. Chapter on Explaining Mudrās in Detail has now ended.