摩訶止觀 3.57

3.57

答：前兩觀有滯故，更破、更用；第三觀無滯，但從用受名，不得一例。

Answer: Because the previous two contemplations had obstructions, they further refuted and further employed; the third contemplation has no obstructions and receives its name solely from its employment, so they cannot be treated as of one pattern.