摩訶止觀 4.9

4.9

○此中，明持戒清淨即四意：一、列戒名，二、明持戒，三、明犯戒，四、明懺淨。

Here, clarifying 'purity in keeping the precepts' comprises four points: first, listing the names of the precepts; second, clarifying keeping the precepts; third, clarifying breaking the precepts; fourth, clarifying purifying through repentance.