'Seven fold' in the Bible

And the LORD said unto him, Therefore whosoever slays Cain, vengeance shall be taken on him sevenfold. And the LORD set a mark upon Cain, lest any finding him should kill him.

If Cain shall be avenged sevenfold, truly Lamech seventy and sevenfold.

And render unto our neighbors sevenfold into their bosom their reproach, with which they have reproached you, O Lord.

But if he is found, he shall restore sevenfold; he shall give up all the goods of his house.

Moreover the light of the moon shall be as the light of the sun, and the light of the sun shall be sevenfold, as the light of seven days, in the day that the LORD binds up the hurt of his people, and heals the stroke of their wound.