Revelation 14:1-5 (NLT)
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Then I saw the Lamb standing on Mount Zion, and with him were 144,000 who had his name and his Father's name written on their foreheads.
And I heard a sound from heaven like the roar of mighty ocean waves or the rolling of loud thunder. It was like the sound of many harpists playing together.
This great choir sang a wonderful new song in front of the throne of God and before the four living beings and the twenty-four elders. No one could learn this song except the 144,000 who had been redeemed from the earth.
They have kept themselves as pure as virgins,* following the Lamb wherever he goes. They have been purchased from among the people on the earth as a special offering* to God and to the Lamb.
They have told no lies; they are without blame.