摩訶止觀 7.22

7.22

○第六、明道品調適者，道品有四：一、當分，二、相攝，三、約位，四、相生。

Section 6: Explaining the harmonization of the path-factors (bodhipakṣa-dharmas). There are four aspects to the path-factors: first, their own division; second, mutual subsumption; third, in terms of stages; fourth, mutual generation.