天台菩薩戒疏 1.16

1.16

第九、現相。若上品心受得戒時，十方佛前有種種相，涼風、異香、異聲、光明。彼彼菩薩問彼彼佛：「何因緣故有此相？」彼佛答言：「此相現去某方某處，有眾多菩薩於某師所三說受菩薩戒竟，今請證明有此相現。」彼彼菩薩咸生歡喜，各各皆言：「如是等極惡之處，具足煩惱惡業眾生，能發如此極勝之心受菩薩戒，甚為希有。」深生憐愍，於汝等所起堅固梵行之心，宜應志心護持，不惜身命，勿使毀犯。

Ninth, Manifestation of Signs. If one receives and obtains the precepts with a mind of superior grade, various signs appear before the Buddhas of the ten directions: cool breezes, extraordinary fragrances, extraordinary sounds, and radiance. The respective bodhisattvas ask their respective Buddhas: 'By what causes and conditions do these signs appear?' Those Buddhas reply: 'As for the manifestation of these signs, in such-and-such direction and such-and-such place, numerous bodhisattvas have completed receiving the bodhisattva precepts through the three declarations before such-and-such a master; they are now requesting witnessing, and therefore these signs manifest.' Those bodhisattvas all rejoice, each and every one saying: 'In such an extremely evil place, that sentient beings endowed with afflictions and evil karma could arouse such an exceptionally supreme mind to receive the bodhisattva precepts is exceedingly rare!' Generating deep compassion, they arouse toward you a mind of firm pure conduct; you should indeed guard and uphold it with wholehearted determination, not begrudging physical life, never allowing it to be broken or violated.