Revelation 14:9
Then a third angel followed them, saying in a loud voice: "Whoever worships the wild beast and his statue and lets his mark be stamped on his forehead or on his hand,
Revelation 14:11
The smoke of their torture will go up forever and ever, and they will have no rest day or night -- those who worship the wild beast and his statue, and anyone who bears the mark of his name."
Matthew 26:52
Then Jesus said to him, "Put your sword back where it belongs, for all who wield the sword will die 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
Then Jesus said to him, "Put your sword back where it belongs, for all who wield the sword will die by the sword.
Set a mark, etc
Revelation 14:9
Then a third angel followed them, saying in a loud voice: "Whoever worships the wild beast and his statue and lets his mark be stamped on his forehead or on his hand,