Hebrews 9:18
Therefore not even the first [covenant] was ratified without blood.
Exodus 12:22
And take a bunch of hyssop and dip [it] into the blood that [is] in the basin and apply [some] of the blood that is in the basin to the lintel and the two doorposts. And you will not go out, anyone from the doorway of his house, until morning.
Exodus 24:3-8
And Moses came, and he told the people all the words of Yahweh and all the regulations. And all the people answered with one voice, and they said, "All the words that Yahweh has spoken we will do."
Hebrews 8:7-9
For if that first [covenant] had been faultless, occasion would not have been sought 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, cleanse our consciences from dead works to serve [the] living God?
Hebrews 9:22
Indeed, nearly everything is purified with blood according to the law, and apart from the shedding of blood there is no forgiveness.