Jude 1:

14. And Enoch also, the seventh from Adam, prophesied of these, saying, Behold, the Lord cometh with ten thousands of his saints,
15. To execute judgment upon all, and to convince all that are ungodly among them of all their ungodly deeds which they have ungodly committed, and of all their hard speeches which ungodly sinners have spoken against him.

Revelation 3:

4. Thou hast a few names even in Sardis which have not defiled their garments; and they shall walk with me in white: for they are worthy.
5. He that overcometh, the same shall be clothed in white raiment;

Revelation 6:

9. And when he had opened the fifth seal, I saw under the altar the souls of them that were slain for the word of God, and for the testimony which they held:
10. And they cried with a loud voice, saying, How long, O Lord, holy and true, dost thou not judge and avenge our blood on them that dwell on the earth?
11. And white robes were given unto every one of them; and it was said unto them, that they should rest yet for a little season, until their fellowservants also and their brethren, that should be killed as they were, should be fulfilled.

Revelation 7:

9. After this I beheld, and, lo, a great multitude, which no man could number, of all nations, and kindreds, and people, and tongues, stood before the throne, and before the Lamb, clothed with white robes, and palms in their hands;
10. And cried with a loud voice, saying, Salvation to our God which sitteth upon the throne, and unto the Lamb.

Revelation 19:

14. And the armies which were in heaven followed him upon white horses, clothed in fine linen, white and clean.

"...and, lo, a great multitude, which no man could number, of all nations, and kindreds, and people, and tongues, stood before the throne, and before the Lamb, clothed with white robes..."