'Seven Spirits of God' in the Bible

And to the messenger of the assembly in Sardis write: These things saith he who is having the Seven Spirits of God, and the seven stars: I have known thy works, and that thou hast the name that thou dost live, and thou art dead;

and out of the throne proceed do lightnings, and thunders, and voices; and seven lamps of fire are burning before the throne, which are the Seven Spirits of God,

and I saw, and lo, in the midst of the throne, and of the four living creatures, and in the midst of the elders, a Lamb hath stood as it had been slain, having seven horns and seven eyes, which are the Seven Spirits of God, which are sent to all the earth,