觀無量壽佛經疏 3.94

3.94

十五、從是為下，總結觀名。十六、從佛告阿難下，至比丘願力所成已來，正明華座得成所由。

Fifteenth, from "This is" on, it summarizes the name of the contemplation. Sixteenth, from "The Buddha told Ānanda" down to "achieved by the power of the monk's vows" directly clarifies that from which the lotus throne comes to be accomplished.