俱舍論疏 22.80

22.80

論「若謂可愛至非可愛故」，論主牒救。既先為可愛、後非可愛故，故知可愛亦非是實，便證樂受無實理成。

On the Śāstra's statement, "If it is said that what is agreeable... because it is not agreeable": The author of the Śāstra presents their attempted defense. Since it was previously agreeable and later not agreeable, one therefore knows that what is agreeable is also not real; this would then establish the reasoning that pleasant sensation lacks reality.