俱舍論頌疏論本 12.45

12.45

問：「所說三災云何次第？」答：「頌言『要七火一水，七水火後風。』要先無間起七火災，其次定應一水災起。此後無間復七火災，還有一水災。如是乃至滿七水災，復七火災，後風災起。如是總有八七火災，一七水災，一風災起，應知八七火災中間有七水災，次第八七火災後有一風災，計數總有六十四災。」問：「何緣七火災後有一水災？」答：「謂順極光淨天壽八大劫故，謂緣水災壞第二禪，既極光天壽八大劫，故第八災方有水災壞第二禪也。」問：「何緣八七火災後方有一風災？」答：「謂順遍淨天壽六十四大劫故，謂風災起壞第三禪，既遍淨天壽六十四劫，故第六十四災方是風災，壞第三禪也。故論云：『由彼有情所修定因於上漸勝，故感身壽其量漸長，由是所居亦漸久住。由此善釋施設足文遍淨天壽六十四劫。』」

Question: 'What is the sequence of the three calamities mentioned?' Answer: 'The verse says, "It must be seven fires and one water, and after seven waters and fires, wind." First, seven fire calamities must arise without interruption, and next, one water calamity must definitely arise. After this, again without interruption, there are seven fire calamities, followed again by one water calamity. In this way, until seven water calamities are completed, there are again seven fire calamities, after which the wind calamity arises. Thus, there are in total eight times seven fire calamities, one times seven water calamities, and one wind calamity arising. One should know that between the eight times seven fire calamities there are seven water calamities, and following the eighth seven fire calamities there is one wind calamity; in total, they count as sixty-four calamities.' Question: 'For what reason is there one water calamity after seven fire calamities?' Answer: 'It is to correspond to the lifespan of eight great kalpas of the devas of the Ābhāsvara heaven. Because the water calamity destroys the second dhyāna, and since the lifespan of the Ābhāsvara devas is eight great kalpas, it is only at the eighth calamity that there is a water calamity destroying the second dhyāna.' Question: 'For what reason is there a wind calamity only after eight times seven fire calamities?' Answer: 'It is to correspond to the lifespan of sixty-four great kalpas of the devas of the Śubhakṛtsna heaven. Because the wind calamity arises to destroy the third dhyāna, and since the lifespan of the Śubhakṛtsna devas is sixty-four kalpas, it is only at the sixty-fourth calamity that there is a wind calamity destroying the third dhyāna. Therefore, the treatise says: "Because the cause of concentration cultivated by those sentient beings becomes progressively superior above, the length of body and lifespan they produce is progressively longer, and the places where they dwell also endure progressively longer. By this, the passage in the Prajñaptipada is well explained: 'The lifespan of the devas of the Śubhakṛtsna heaven is sixty-four kalpas.'"'