大毘盧遮那成佛經疏 14.63

14.63

時金剛主以此偈歎如來已，次說優陀那偈而以問佛。烏陀那，是總攝義也，以一偈之義而攝無盡法界離相之法無量法義，故言攝也。歎說偈已，念彼未來世眾生修真言行者，於此大悲藏生漫荼羅有所闕故，不得疾成無上菩提故，次第問佛祕要方便也。斷一切疑者，若不能普斷眾生種種疑網，則不名一切智人。以於一切法中自離疑網，方能斷他疑網也。今佛既自斷一切疑網，是故我今請問，願為斷疑也。離熱惱者，言永斷三毒根也。今為一切眾生故，請問導師，以於一切法中而能引導令至佛慧，故名大導師也。

At that time, after the Lord of the Vajra had praised the Tathāgata with this verse, he next spoke an udāna verse to question the Buddha. "Udāna" has the meaning of "gathering together in summary"; it is called "summary" because the meaning of a single verse gathers together the immeasurable Dharma meanings of the featureless phenomena of the inexhaustible dharmadhātu. Having spoken the verse of praise, he considered that sentient beings of future ages practicing the path of mantras, having omissions regarding this mahākaruṇāgarbha-maṇḍala, would not swiftly accomplish unsurpassed saṃbodhi; therefore, in proper sequence, he asked the Buddha about the secret essential upāyas. As for "severer of all doubts," if one cannot universally sever the various nets of doubt of sentient beings, one is not called an omniscient person. Only by having personally departed from the net of doubts regarding all phenomena can one sever the nets of doubt of others. Now, since the Buddha has himself severed all nets of doubt, I now inquire and pray that you will sever doubts for us. As for "free from feverish vexations," this means eternally severing the roots of the three poisons. Now, for the sake of all sentient beings, he inquires of the Guide; because [the Buddha] can guide [sentient beings] through all phenomena to reach the Buddha's wisdom, he is called the Great Guide.