大方廣佛華嚴經隨疏演義鈔 87.8

87.8

疏「第八大光王寄難得行」者，無障礙願力乃能得故。疏「二十八相因未滿」者，未見經論，應闕無見頂及眉間白毫、梵音、廣長舌，以《善生》等經校量最勝，故謂三十相不及毫相，三十一不及烏瑟尼沙。總合不及如來胸中所出梵音，義合將二十九相以校白毫，三十中一是梵音故。長舌無文，義為勝爾。驗之。

Regarding the Commentary's statement, "The eighth, King Mahāprabha (Daguang), is assigned to practice difficult to attain," this is because it can only be attained through unobstructed vow-power. Regarding the Commentary's statement, "The causes for the twenty-eight marks are not yet complete," this has not been seen in sūtras or treatises; it should lack the invisible crown and the white curl between the eyebrows (ūrṇā), the Brahmā voice, and the broad and long tongue. According to the comparisons of supremacy in sūtras such as the Shan-sheng jing, thirty marks do not equal the curl mark, and thirty-one do not equal the uṣṇīṣa; all of them combined do not equal the Brahmā voice issuing from the Tathāgata's chest. In principle, one should take twenty-nine marks to compare with the white curl, because one of the thirty is the Brahmā voice. For the broad and long tongue there is no text, but in principle it is simply superior. Examine this.