大方廣佛華嚴經疏 55.23

55.23

Second, the variety in assemblies of cultivation and entry: only within the initial faith are there three assemblies, with the fourfold assembly and various kinds being diverse, to reveal newly cultivating and to represent comprehensive gathering. From the station of dwelling onward, Sudhana is a single person whose practices are distinct, representing that those who have already entered the stations are rare.