John the Apostle
Revelation 19:8ESV·traditional attribution

it was granted her to clothe herself with fine linen, bright and pure”— for the fine linen is the righteous deeds of the saints.

Matthew Henry Presbyterian @wholebiblehenry

The triumphant song being ended, and epithalamium, or marriage-song, begins, Rev 19:6. Here observe, I. The concert of heavenly music. The chorus was large and loud, as the voice of many waters and of mighty thunderings. God is fearful in praises. There is no discord in heaven; the morning stars sing together; no jarring string, nor key untuned, but pure and perfect melody. II.

Commenting on Revelation 19:5-10

John Gill Reformed Baptist @doctorgill

And to her was granted that she should be arrayed in fine linen,.... Or "Byssine": the "Byssus", of which fine linen is made, is said to grow on a tree, in height like to a poplar, and its leaves like a willow, and to be brought out of Judea into Egypt, which the Egyptians used in most of their holy things (q).

Albert Barnes Presbyterian @notesbybarnes

Verse 8. And to her was granted. It is not said here by whom this was granted, but it is perhaps implied that this was conferred by the Saviour himself on his bride. That she should be arrayed in fine linen, clean and white. ; , ; . White has, perhaps, in all countries been the usual colour of the bridal dress--as an emblem of innocence.