Revelation 7:2-4

New American Standard Bible

² And I saw another angel ascending ^(A)from the rising of the sun, holding the ^(B)seal of ^(C)the living God; and he called out with a loud voice to the ^(D)four angels to whom it was granted to harm the earth and the sea, ³ saying, “^(E)Do not harm the earth, or the sea, or the trees until we have ^(F)sealed the bond-servants of our God on their ^(G)foreheads.”

The 144,000

⁴ And I heard the ^(H)number of those who were sealed: ^(I)144,000, sealed from every tribe of the sons of Israel: