觀無量壽佛經疏 3.28

3.28

四、從一一寶中有五百色光下，至樂器以為莊嚴已來，正明空裏莊嚴。即有其六。一明寶出多光。二明喻顯其相。三明光變成臺。四明光變成於樓閣。五明光變成於華幢。六明光變成於寶樂之音。又明地上雜寶一一各出五百色光，一一色光上涌空中作一光臺，一一臺中寶樓千萬，各以一二三四乃至不可說寶以為莊嚴合成也。言如華又如星月者，佛以慈悲畏人不識，故借喻以顯之。言於臺兩邊各有百億華幢者，寶地眾多光明無量，一一光等化作光臺，遍滿空中。行者等行住坐臥，常作此想。

Fourth, from "within each jewel are five hundred colors of light" down to "musical instruments serve as its adornment," it directly explains the adornments in the air. Here there are six points: first, it explains that the jewels emit many lights; second, it explains their aspects through similes; third, it explains that the lights transform into terraces; fourth, it explains that the lights transform into towers and pavilions; fifth, it explains that the lights transform into flower banners; sixth, it explains that the lights transform into the sounds of jeweled music. Furthermore, it explains that the various jewels on the ground each emit five hundred colors of light; each colored light surges upward into the sky to form a terrace of light; in each terrace are thousands of myriad jeweled towers, each adorned and composed of one, two, three, four, or up to inexpressible numbers of jewels. Regarding the words "like flowers, and also like stars and the moon," the Buddha, out of great compassion fearing people would not comprehend, borrowed similes to reveal them. Regarding the words "on both sides of the terrace are each one hundred billion flower banners," the lights of the jeweled ground are many and immeasurable; each light transforms into a terrace of light, completely filling the sky. Practitioners should constantly maintain this visualization while walking, standing, sitting, or lying down.