Revelation 22:4
22:4 and they will see his face, and his name will be on their foreheads.
Revelation 7:3
7:3 “Do not damage the earth or the sea or the trees until we have put a seal on the foreheads of the servants of our God.”
Revelation 14:1
An Interlude: The Song of the 144,000
14:1 Then I looked, and here was the Lamb standing on Mount Zion, and with him were one hundred and forty-four thousand, who had his name and his Father’s name written on their foreheads.