Revelation 7:14

And I answered him, "Sir, [surely] you know." And he said to me, "These are the people who have come through the terrible persecution, and they have washed their robes and made them white with the blood of the Lamb.

Treasury of Scripture Knowledge

Summary

And every soul that eateth that which died of itself, or that which was torn with beasts, whether it be one of your own country, or a stranger, he shall both wash his clothes, and bathe himself in water, and be unclean until the even: then shall he be clean.

Both wash

Bible References

Both wash

Revelation 7:14
And I answered him, "Sir, [surely] you know." And he said to me, "These are the people who have come through the terrible persecution, and they have washed their robes and made them white with the blood of the Lamb.