Revelation 14:9-11

And a third angel followed them, saying with a loud voice, If any one worship the beast and his image, and receive the mark on his forehead,

Revelation 18:4-5

And I heard another voice from heaven, saying, Come out from her, my people, that ye be not partakers of her sins, and that ye may not suffer by her plagues:

Treasury of Scripture Knowledge

Summary

Their sorrows shall be multiplied that hasten after another god: their drink offerings of blood will I not offer, nor take up their names into my lips.

Bible References

Their

Revelation 14:9
And a third angel followed them, saying with a loud voice, If any one worship the beast and his image, and receive the mark on his forehead,
Revelation 18:4
And I heard another voice from heaven, saying, Come out from her, my people, that ye be not partakers of her sins, and that ye may not suffer by her plagues: