俱舍論疏 6.233

6.233

論「若無為法至立為第一」，有部難也。凡稱第一，皆說有法。法既非有，如何得說為第一耶？如石女之兒，豈得說為此兒第一？

[When] the treatise [states]: "If unconditioned dharmas ... established as supreme?" the Vaibhāṣika objects: "Whenever anything is termed supreme, one is speaking of an existent phenomenon. Since the dharma is non-existent, how can it be spoken of as supreme? Just as with the child of a barren woman, how could it be said that this child is supreme?"