摩訶止觀 7.151

7.151

二、教門綱格匡骨盤峙，包括密、露，涇渭大小。即是漸、頓、不定、祕密，藏、通、別、圓。若得此意，聲教開合，化道可知。

Second, the skeletal framework and structural foundation of the doctrinal gates encompass the secret and the revealed, and demarcate the broad and narrow like the Jing and Wei rivers. That is to say: the gradual, sudden, indeterminate, and secret; the Tripiṭaka, shared, distinctive, and perfect [teachings]. If one grasps this intention, the opening and combining of auditory teachings, as well as the path of conversion, can be known.