摩訶止觀 6.70

6.70

次、別教四門者：即是觀別理，斷別惑，不與前同；次第修，次第證，不與後同。《大經》云：「聞大涅槃有無上道，大眾正行，發心出家，持戒修定，觀四諦慧，得二十五三昧。」事相次第不殊三藏，但以大涅槃心導於諸法，以此異前；漸修五行，以此異後，故稱為「別」。

Next, the four gates of the distinctive teaching: this means contemplating the distinctive principle and severing distinctive delusions, which is not the same as the preceding; and cultivating sequentially and realizing sequentially, which is not the same as what follows. The *Mahāparinirvāṇa Sūtra* says: "Hearing that in the great nirvāṇa there is the unsurpassed path, the great assembly practiced correctly, generated the resolve to leave home, upheld the precepts and cultivated concentration, contemplated the wisdom of the four truths, and attained the twenty-five samādhis." The sequential order of phenomenal aspects is no different from the Tripiṭaka, but guiding dharmas with the mind of great nirvāṇa is how it differs from the preceding; gradually cultivating the five practices is how it differs from what follows; hence it is called 'distinctive'.