'Seven Spirits of God' in the Bible

And to the agent of the congregation in Sardis write, These things says he who has the seven Spirits of God, and the seven stars: I know thy works, that thou have a name that thou live, and thou are dead.

And out of the throne proceeds lightnings and voices and thunders. And seven lamps of fire burned before his throne, which are the seven Spirits of God.

And I saw in the midst of the throne and of the four beings, and in the midst of the elders, a Lamb standing, like it had been killed, having seven horns and seven eyes, which are the seven Spirits of God being sent forth into all