Revelation 14:9-11

And the third angel followed them, saying, with a loud voice: If any one worship the beast and his image, and receive his mark in his forehead, or on his hand, even he shall drink of the wine of the wrath of God, which is prepared without mixture in the cup of his indignation;-

Revelation 18:4-5

And I heard another voice from heaven, saying: Come out of her, my people, lest you become partakers of her sins, and lest you receive of 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 the third angel followed them, saying, with a loud voice: If any one worship the beast and his image, and receive his mark in his forehead, or on his hand, even he shall drink of the wine of the wrath of God, which is prepared without mixture in the cup of his indignation;-
Revelation 18:4
And I heard another voice from heaven, saying: Come out of her, my people, lest you become partakers of her sins, and lest you receive of her plagues.