摩訶止觀 10.8

10.8

第一、明諸見人法又二：一、邪人不同，二、邪人執法不同。邪人不同又為三：一、佛法外外道，二、附佛法外道，三、學佛法成外道。

First, clarifying the persons and dharmas of various views also has two parts: first, the differences among perverted persons; second, the differences among the dharmas grasped by perverted persons. The differences among perverted persons further comprise three: first, tīrthikas outside the Buddha-Dharma; second, tīrthikas attached to the Buddha-Dharma; third, those who study the Buddha-Dharma and become tīrthikas.