That [he] ne mighte bye the book,

7110

To copy, if him talent took.

Ther might he see, by greet tresoun,

Ful many fais comparisoun:—

"As moche as, thurgh his grete might,

Be it of hete, or of light,

7115

The sunne sourmounteth the mone,

That troubler is, and chaungeth sone,