大方廣佛華嚴經疏 21.3

21.3

（第十九經）自下第三中賢十行會。初來意者，酬前十行問故。匪知之艱，行之為艱。前解此行，若膏明相賴、目足更資，故次來也。次品來者，此會四品分三：初二品當會由致、次一品當會正宗、後一品勝進趣後。於由致中，後品明讚德顯體、此品先明感應道交。前會已終，將陳後說，故次來也。

(Fascicle Nineteen) From here below is the third assembly, that of the intermediate worthies of the ten practices. First, as for the intention of its occurrence: it is because it responds to the prior inquiry regarding the ten practices. It is not knowing that is difficult, but practicing that is difficult. Previously understanding this practice was like oil and light relying upon one another, or eyes and feet assisting each other; therefore, it follows next. Next, as for the occurrence of the chapters: the four chapters of this assembly are divided into three parts: the first two chapters are the introductory occasions of the assembly; the next chapter is the main body of this assembly; the last chapter is the advancing progress toward what follows. Within the introductory occasions, the latter chapter clarifies praising virtues and manifesting the essence, while this chapter first clarifies the sympathetic resonance and reciprocal communion between the spiritual capacity and the response. The previous assembly having already ended, the subsequent exposition is about to be presented; therefore, it follows next.