Genesis 4:15
Genesis 4:15 NRSV
Then the LORD said to him, “Not so! Whoever kills Cain will suffer a sevenfold vengeance.” And the LORD put a mark on Cain, so that no one who came upon him would kill him.
Then the LORD said to him, “Not so! Whoever kills Cain will suffer a sevenfold vengeance.” And the LORD put a mark on Cain, so that no one who came upon him would kill him.