Tao-sheng Commentary on the Lotus Sutra, p174“Good men! I met many Buddhas in my previous existence. At that time I saw the same good omen as this. Those Buddhas emitted the same ray of light as this, and then expounded a great teaching. Therefore, know this! I think that this Buddha also is emitting this ray of light, and showing this good omen, wishing to cause all living beings to hear and understand the most difficult teaching in the world to believe.
The second segment. [What happened in] the past is cited to explain [what happens in] the present. Even though the past and the present are distinguished, their Tao is not different. The past portents as such pointed to the fact that [the Buddha] would preach the great Dharma; [likewise] “it should be understood” that the present portents of Śākyamuni clearly signal that he is certain to preach the Dharma Blossom.