諸經要集 12.77

12.77

Next, relying on the treatise, it cites the Prajñapti-śāstra as saying: If the parents' meritorious karma is superior and the child's meritorious karma is inferior, it cannot enter the womb. If the parents' meritorious karma is slight and thin, and the child's meritorious karma is superior, it cannot enter the womb. Only when the meritorious karma of the three—the father, the mother, and the child—are equal can it enter the womb.