金光明最勝王經疏 2.57

2.57

贊曰：集眾為釋，初集眾、後為辨。此集眾。前雖列有八部之眾，然有來不來；今因佛放光威力加召，始能俱集。問：餘經放光，眾覩即集。何故此眾蒙光不來？答：熟有先後。雖蒙光明，初未能來，因佛更加方始能赴。或佛威力即是光召。

Commentary: Gathering the assembly to explain it: first, gathering the assembly; later, distinguishing it for them. This is gathering the assembly. Although the eight classes of beings were listed before, some had come and some had not; now, due to the buddha emitting radiance and summoning them with mighty power, they were first able to assemble together. Question: In other sūtras, when radiance is emitted, the assembly gathers upon seeing it. Why did this assembly not come when illuminated by the light? Answer: Maturation has earlier and later stages. Although illuminated by the radiance, at first they were not yet able to come; only when the buddha added further power were they finally able to arrive. Or else, the buddha's mighty power was itself the summons by radiance.