瑜伽師地論略纂 1.96

1.96

From "How does the disaster of fire destroy the world?" downward is the second section within disintegration, explaining the three disasters separately: first fire, next water, and finally wind. Fire is divided into two: first the question, next the answer. The answer has three parts: first, explaining the twenty kalpas of subsistence as the gradual prelude to disintegration; next, from where the treatise states, "After the final increase, at that time the naraka [beings]..." downward, explaining the twenty kalpas of disintegration; finally, from "After such worlds have all been burned..." downward, explaining the kalpa of emptiness. The first text again has three parts: first, generally explaining the one increase and one decrease within a kalpa of subsistence; next, from "Moreover, within this intermediate kalpa there appear three kinds of minor disasters..." downward, explaining the deterioration caused by the minor disasters during the period of decrease, followed by gradual increase; finally, concluding the kalpa of subsistence with these twenty decreases and twenty increases.