Genesis 4:15

So the Lord said to him, “Therefore whoever kills Cain, vengeance will be taken on him sevenfold.” And the Lord appointed a sign for Cain, so that no one finding him would slay him.

Ezekiel 9:4

The Lord said to him, “Go through the midst of the city, even through the midst of Jerusalem, and put a mark on the foreheads of the men who sigh and groan over all the abominations which are being committed in its midst.”

Ezekiel 9:6

Utterly slay old men, young men, maidens, little children, and women, but do not touch any man on whom is the mark; and you shall start from My sanctuary.” So they started with the elders who were before the temple.

Genesis 4:24

If Cain is avenged sevenfold,
Then Lamech seventy-sevenfold.”

Psalm 79:12

And return to our neighbors sevenfold into their bosom
The reproach with which they have reproached You, O Lord.

Revelation 14:9

Then another angel, a third one, followed them, saying with a loud 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 goes up forever and ever; they have no rest day and night, those who worship the beast and his image, and whoever receives the mark of his name.”

Leviticus 26:18

If also after these things you do not obey Me, then I will punish you seven times more for your sins.

Leviticus 26:21

‘If then, you act with hostility against Me and are unwilling to obey Me, I will increase the plague on you seven times according to your sins.

Leviticus 26:24

then I will act with hostility against you; and I, even I, will strike you seven times for your sins.

Leviticus 26:28

then I will act with wrathful hostility against you, and I, even I, will punish you seven times for your sins.

1 Kings 16:7

Moreover, the word of the Lord through the prophet Jehu the son of Hanani also came against Baasha and his household, both because of all the evil which he did in the sight of the Lord, provoking Him to anger with the work of his hands, in being like the house of Jeroboam, and because he struck it.

Psalm 59:11

Do not slay them, or my people will forget;
Scatter them by Your power, and bring them down,
O Lord, our shield.

Proverbs 6:31

But when he is found, he must repay sevenfold;
He must give all the substance of his house.

Hosea 1:4

And the Lord said to him, “Name him Jezreel; for yet a little while, and I will punish the house of Jehu for the bloodshed of Jezreel, and I will put an end to the kingdom of the house of Israel.

Matthew 26:52

Then Jesus *said to him, “Put your sword back into its place; for all those who take up 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.

Set a mark, etc

Bible References

Therefore

1 Kings 16:7
Moreover, the word of the Lord through the prophet Jehu the son of Hanani also came against Baasha and his household, both because of all the evil which he did in the sight of the Lord, provoking Him to anger with the work of his hands, in being like the house of Jeroboam, and because he struck it.
Psalm 59:11
Do not slay them, or my people will forget;
Scatter them by Your power, and bring them down,
O Lord, our shield.
Hosea 1:4
And the Lord said to him, “Name him Jezreel; for yet a little while, and I will punish the house of Jehu for the bloodshed of Jezreel, and I will put an end to the kingdom of the house of Israel.
Matthew 26:52
Then Jesus *said to him, “Put your sword back into its place; for all those who take up the sword shall perish by the sword.

Sevenfold

Genesis 4:24
If Cain is avenged sevenfold,
Then Lamech seventy-sevenfold.”
Leviticus 26:18
If also after these things you do not obey Me, then I will punish you seven times more for your sins.
Psalm 79:12
And return to our neighbors sevenfold into their bosom
The reproach with which they have reproached You, O Lord.
Proverbs 6:31
But when he is found, he must repay sevenfold;
He must give all the substance of his house.

Set a mark, etc

Ezekiel 9:4
The Lord said to him, “Go through the midst of the city, even through the midst of Jerusalem, and put a mark on the foreheads of the men who sigh and groan over all the abominations which are being committed in its midst.”
Revelation 14:9
Then another angel, a third one, followed them, saying with a loud voice, “If anyone worships the beast and his image, and receives a mark on his forehead or on his hand,