Hebrews 9:18
Therefore not even the first covenant was inaugurated without blood.
Exodus 12:22
Take a bunch of hyssop and dip it in the blood that is in the basin, and touch the lintel and the two doorposts with the blood that is in the basin. None of you shall go out of the door of his house until the morning.
Exodus 24:3-8
Moses came and told the people all the words of the LORD and all the rules. And all the people answered with one voice and said, "All the words that the LORD has spoken we will do."
Hebrews 8:7-9
For if that first covenant had been faultless, there would have been no occasion to look for a second.
Hebrews 9:14
how much more will the blood of Christ, who through the eternal Spirit offered himself without blemish to God, purify our conscience from dead works to serve the living God.
Hebrews 9:22
Indeed, under the law almost everything is purified with blood, and without the shedding of blood there is no forgiveness of sins.