Revelation 7:14

14AndκαὶI saidεἴρηκαto himαὐτῷ·LordΚύριέof meμου,youσὺknowοἶδας.Andκαὶhe saidεἶπένto meμοι·TheseΟὗτοίareεἰσινthe [ones]οἱcomingἐρχόμενοιout ofἐκtheτῆςtribulationθλίψεωςτῆςgreatμεγάλης,andκαὶthey have washedἔπλυνανtheτὰςrobesστολὰςof themαὐτῶνandκαὶmade whiteἐλεύκανανthemαὐτὰςinἐνtheτῷbloodαἵματιof theτοῦLambἀρνίου.

And I said to him, “My lord, you know.” And he said to me, “These are the ones coming out of the great tribulation, and they washed their robes and made them white in the blood of the Lamb.