俱舍論頌疏論本 19.90

19.90

釋曰：前三句薩婆多說，後三句經部師說。無記根有三者，標也。毘婆娑師說：「不善根既三，無記根亦三也。」

Explanation: The first three lines are spoken by the Sarvāstivādins; the latter three lines are spoken by the Sautrāntikas. "The indeterminate roots are three" introduces [the topic]. The masters of the Vibhāṣā say: "Since the unwholesome roots are three, the indeterminate roots are also three."