俱舍論記 13.43

13.43

「於熟變生中至下中熟滅」者，此即正破。汝若固執薪等滅時火為因者，應生因體即成滅因，如火燒薪於熟變生中有下中上三品不同，初黃名下、次黑名中、後全黑名上。應生因體即成滅因。所以者何？謂由火因與薪等合，能令薪等有熟變生三品不同，中熟生、下熟滅，上熟生、中熟滅。應中熟生因即是下熟滅因，以中熟生時即下熟滅故；應上熟生因即是中熟滅因，以上熟生時即中熟滅故。故言應生因體即成滅因。

[On the text,] "In the arising of cooked transformations … the destruction of the lower and intermediate stages of cooking": This is the direct refutation. If you stubbornly maintain that fire is the cause when firewood and the like are destroyed, then the substance of the cause of arising would itself become the cause of destruction. For instance, when fire burns firewood, in the arising of cooked transformations there are three different grades—lower, intermediate, and upper: when it first turns yellow, it is called lower; next when black, intermediate; and finally when fully black, upper. The substance of the cause of arising would then become the cause of destruction. Why is that? Because contact between the firewood and the cause that is fire can cause the firewood to undergo three different grades of arising cooked transformations: when the intermediate stage of cooking arises, the lower stage of cooking is destroyed; when the upper stage of cooking arises, the intermediate stage of cooking is destroyed. The cause of the arising of the intermediate stage of cooking would then be the cause of the destruction of the lower stage of cooking, because at the very time the intermediate stage of cooking arises, the lower stage of cooking is destroyed; the cause of the arising of the upper stage of cooking would then be the cause of the destruction of the intermediate stage of cooking, because at the very time the upper stage of cooking arises, the intermediate stage of cooking is destroyed. Therefore it is said that the substance of the cause of arising would itself become the cause of destruction.