Revelation 3:4

3:4 But you have a few individuals in Sardis who have not stained their clothes, and they will walk with me dressed in white, because they are worthy.

Revelation 7:13

7:13 Then one of the elders asked me, “These dressed in long white robes – who are they and where have they come from?”

Revelation 16:11

16:11 They blasphemed the God of heaven because of their sufferings and because of their sores, but nevertheless they still refused to repent of their deeds.