注大乘入楞伽經 6.3

6.3

因上覺二無我等法名為佛。過去諸佛已覺此法，故名為佛，以過去故；世尊今覺此法，亦名為佛。覺道雖一，過現不同，云何言我是過去一切諸佛？及依《本生經》說如來過去曾種種受生，如作頂生王及象鳥王、月光妙眼仙人等百千生。又言我是過去一切諸佛。舉二文相違，以請如來。

Because of the above, awakening to dharmas such as the two kinds of selflessness is called 'Buddha'. The past Buddhas had already awakened to this Dharma and were therefore called 'Buddhas', by virtue of being in the past; the World-Honoured One now has awakened to this Dharma, and is likewise called 'Buddha'. Although the path of awakening is one, past and present differ; why then say, 'I am all past Buddhas'? Moreover, according to the Jātaka sūtras, it is said that the Tathāgata underwent various births in the past, such as being King Mūrdhagata, the elephant king, the bird king, the ṛṣis Candraprabha and Sunetra, and so on for hundreds of thousands of lifetimes. Yet it is also said: 'I am all past Buddhas.' Bringing up the contradiction between the two statements, he makes this request to the Tathāgata.