Matthew 23:35-37
that upon you may come all the righteous blood poured out upon the earth, from the blood of Abel, the righteous, unto the blood of Zachariah, son of Barachiah, whom ye slew between the temple and the altar.
Matthew 27:4
saying, "I sinned, having betrayed innocent blood." But they said, "What is that to us? You may see to that."
Matthew 27:25
And all the people, answering, said, "His blood be upon us, and upon our children."
James 1:27
A religion, pure and undefiled with our God and Father, is this: to visit orphans and widows in their tribulation, and to keep himself unspotted from the world.