'Seven fold' in the Bible

And the LORD said to him, Therefore whoever slayeth Cain, vengeance shall be taken on him seven-fold. And the LORD set a mark upon Cain, lest any finding him should kill him.

If Cain shall be avenged seven-fold, truly Lamech seventy and seven-fold.

And render to our neighbors seven-fold into their bosom their reproach, with which they have reproached thee, O Lord.

But if he is found, he shall restore seven-fold; he shall give all the substance 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 seven-fold, as the light of seven days, in the day that the LORD bindeth up the breach of his people, and healeth the stroke of their wound.