摩訶止觀 8.133

8.133

識通塞者：觀於病法，句句之中識諦、緣、度。觀病、觀智，句句識諦、緣、度，了了分明而無疑惑。解字非字、知得知失，例如上說也。

Recognizing the open and the blocked: Contemplating the dharma of illness, within each and every phrase one recognizes the truths, conditioned arising, and perfections. In contemplating illness and in contemplative wisdom, within each and every phrase one recognizes the truths, conditioned arising, and perfections, clearly and distinctly without doubt. Understanding what is a letter and what is not a letter, and knowing gain and loss, are just as explained above.