妙法蓮華經玄義 2.59

2.59

二、絕待明妙者，為四：一、隨情三假法起，若入真諦，待對即絕。故身子云：「吾聞解脫之中，無有言說。」此三藏經中絕待意也。

Second, concerning clarifying the subtle through the absolute, there are four: First, dharmas of the three provisionalities arise according to subjective feelings; if one enters into the ultimate truth, relativity is immediately severed. Therefore Śāriputra said: "I have heard that within liberation there is no speech." This is the meaning of the absolute in the tripiṭaka sūtras.