Linen: Pure and White, of Righteousness
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Revelation 15:6
And out of the temple came the seven angels with the seven plagues, dressed in clean and bright linen and girded with golden sashes around their chests.
Revelation 19:8, 14
She was given clothing of fine linen, bright and pure.” For the fine linen she wears is the righteous acts of the saints. / The armies of heaven, dressed in fine linen, white and pure, follow Him on white horses.