Revelation 14:9
And another angel, a third, followed them, saying with a great voice, "If anyone worships the beast and his image, and receives a mark on his forehead or on his hand,
Revelation 14:11
And the smoke of their torment ascends forever and ever; and they have no rest day and night, those who worship the beast and his image, and whosoever receives the mark of his name.
Matthew 26:52
Then saith Jesus to him, "Return your sword to its place; for all taking a sword will perish by a 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
Then saith Jesus to him, "Return your sword to its place; for all taking a sword will perish by a sword.
Set a mark, etc
Revelation 14:9
And another angel, a third, followed them, saying with a great voice, "If anyone worships the beast and his image, and receives a mark on his forehead or on his hand,