妙法蓮華經玄義 8.18

8.18

五、翻善語教，亦是善行教，亦是善理教。世界悉檀說即善語教；為人、對治即善行教；第一義說即善理教。是名脩多羅有五種翻也。

Fifth, translating it as "teaching of good speech": it is also the teaching of good practice, and it is also the teaching of good principle. Preaching according to the worldly siddhānta is the teaching of good speech; according to [the siddhāntas of] individual adaptability and antidote, it is the teaching of good practice; preaching according to the supreme-meaning [siddhānta] is the teaching of good principle. These are named the five translations of sūtra.