Revelation 14:9
And a third angel followed them, crying with a loud voice, "if any man worship the beast, or his image, or receive his mark on his forehead, or in his hand,
Revelation 14:11
the smoke of their torment shall ascend for ever and ever: they who worship the beast or his image, they who receive the mark of his name, shall have no rest either day or night."
Matthew 26:52
but Jesus said to him, put up your sword in its place: for all that take to the sword, shall perish by the sword.
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.
Therefore
Set a mark, etc
Bible References
Therefore
Matthew 26:52
but Jesus said to him, put up your sword in its place: for all that take to the sword, shall perish by the sword.
Set a mark, etc
Revelation 14:9
And a third angel followed them, crying with a loud voice, "if any man worship the beast, or his image, or receive his mark on his forehead, or in his hand,