維摩經略疏垂裕記 2.70

2.70

Second, explaining the accomplishment of the merit of transforming others, which has two parts: first, explaining being able to roar the lion's roar, which has two parts: first, phenomenal explanation. As for "it is also called the lion's roar samādhi": Jingxi says: "Only when one sees the Buddha-nature can one speak determinatively like a lion's roar." As for "the commentary says and so forth": this is expounded at length in the 'Lion's Roar Chapter' of the Mahāparinirvāṇa Sūtra.