三彌勒經疏 1.82

1.82

經曰「時諸園中有八色瑠璃渠」以下，第二作園。八色，謂赤、黃、青、白、紅、紫、碧、綠也，為表能起律儀等八種律儀故。八味水者，一云：前八色中皆具八味故。一云：則功德渠中第四味中有八味也，以清、輕、冷等皆非味處故。化生四華者，青、黃、赤、白也。水出華中者，八色水從華而出、四色華從水而生，水色交映，如寶華流也。

Where the sūtra states, "At that time, in the gardens there were eight-colored vaidūrya canals," onward: second, this concerns making the parks. "Eight colors" refers to red, yellow, blue, white, crimson, purple, azure, and green, which signify the ability to generate the eight kinds of moral discipline, such as the prātimokṣa disciplines. Regarding the "eight-flavored water," one explanation says: each of the preceding eight colors possesses the eight flavors. Another says: within the fourth flavor of the merit-canals, all eight flavors are present, because clarity, lightness, coolness, and so forth are not themselves states of taste. "Apparitionally producing four flowers" refers to blue, yellow, red, and white. "Water emerging from the flowers" means that the eight-colored waters emerge from the flowers, and the four-colored flowers grow from the waters; the colors of the water interreflect, like a stream of jeweled blossoms.