'Seven' in the Bible

“She who has borne seven [sons] languishes;She has breathed out her soul.Her sun has set while it was still day;She has been shamed and humiliated.So I will hand over [the rest of] the survivors to the swordBefore their enemies,” says the Lord.

“At the end of seven years each of you shall set free his Hebrew brother who has sold himself [into servitude] or who has been sold to you and has served you six years, you shall release him from [serving] you; but your forefathers did not listen [submissively] to Me or obey Me.

A capital of bronze was on [top of] it. The height of each capital was five cubits (seven and one-half feet), with a lattice-work and pomegranates around it, all of bronze. The second pillar also, with its pomegranates, was similar to these.

He also took out of the city one official who was overseer of the soldiers, and seven of the king’s advisers who were found in the city, and the scribe of the commander of the army who mustered the people of the land, and sixty men who were still in the city.