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, or on his hand,
Revelation 14:11
And the smoke of their torment ascends for ever and ever: and they have no rest, day nor night, who worship the beast, and his image; and whoever receives the mark of his name.
Treasury of Scripture Knowledge
Summary
And the LORD said unto him, Therefore whosoever slayeth Cain, vengeance shall be taken on him sevenfold. And the LORD set a mark upon Cain, lest any finding him should kill him.
Set a mark, etc
Bible References
Set a mark, etc
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, or on his hand,