To them it was revealed, that not to themselves, but to you, did they minister these things, which now have been announced to you through those who preached the Gospel to you by the Holy Spirit sent out from heaven; which things angels desire to look into.

 (b) Sprinkling with blood was part of the ritual of the setting apart of Aaron and the priests ( Exodus 29:20-21; Leviticus 8:30). It was the sign of setting apart for the service of God. The Christian is specially set apart for the service of God, not only within the Temple, but also within the world. 