Hebrews 9:18
So even the first covenant was inaugurated with blood.
Exodus 12:22
Take a branch of hyssop, dip it in the blood that is in the basin, and apply to the top of the doorframe and the two side posts some of the blood that is in the basin. Not one of you is to go out the door of his house until morning.
Exodus 24:3-8
Moses came and told the people all the Lord's words and all the decisions. All the people answered together, "We are willing to do all the words that the Lord has said,"
Hebrews 8:7-9
For if that first covenant had been faultless, no one would have looked for a second one.
Hebrews 9:14
how much more will the blood of Christ, who through the eternal Spirit offered himself without blemish to God, purify our consciences from dead works to worship the living God.
Hebrews 9:22
Indeed according to the law almost everything was purified with blood, and without the shedding of blood there is no forgiveness.