Matthew 22:36-37
"Teacher, which one is the greatest commandment in the law of Moses?" he asked.
Hebrews 8:8-13
For God found fault with the Israelites [or, possibly with the first Agreement], saying [Jer. 31:31ff], "Look, the Lord says, the time will come when I will make a New Agreement with the people of Israel and with the people of Judah.
Hebrews 12:24
and to Jesus, the Mediator of a New Agreement [between God and mankind], and to the sprinkled blood [of Jesus], which says better things [to us] than [the blood of] Abel did. [Note: The contrast seems to be that "Abel's blood called for vengeance and death (See Gen. 4:10) whereas the blood of Christ provides mercy and life"].
Hebrews 13:20
Now may the God of peace, who brought back from the dead our Lord Jesus, the great Shepherd of the sheep [i.e., the church], through the blood of the never ending Agreement [i.e., Christ's blood],