法華論疏 2.146

2.146

住種種方便度脫眾生，故名為住。或有論本稱為「往」字，所言往者，眾生有二種：一背小向大，名之為來，如窮子還向本國乃至遂至父舍；二背大向小，名之為去，亦如窮子背宅而去。佛亦二種：一者應身，為大心眾生故名為來；二化身，成就眾生，如彼長者執持除糞器往到子所。今此中八相成道即往義，故言往方便。

He abides in various skillful means to deliver and liberate living beings; therefore it is called "abiding". In some recensions of the Treatise it is written with the character "going" (往). As for what is called "going": living beings are of two kinds: first, turning their backs on the Small and heading toward the Great is called "coming", like the poor son returning toward his native country until he finally reaches his father's house; second, turning their backs on the Great and heading toward the Small is called "going", also like the poor son turning his back on the house and leaving. The Buddha is also of two kinds: first, the saṃbhogakāya, which for the sake of living beings with great aspiration is called "coming"; second, the nirmāṇakāya, accomplishing living beings, like that elder holding a dung-removal vessel and going to where his son is. Now here, the eight phases of achieving awakening are precisely the meaning of "going"; hence it is called "the skillful means of going".