Isaiah 42:6

42:6 “I, the Lord, officially commission you;

I take hold of your hand.

I protect you and make you a covenant mediator for people,

and a light to the nations,

Matthew 26:28

26:28 for this is my blood, the blood of the covenant, that is poured out for many for the forgiveness of sins.

Hebrews 8:6

8:6 But now Jesus has obtained a superior ministry, since the covenant that he mediates is also better and is enacted on better promises.

Hebrews 12:24

12:24 and to Jesus, the mediator of a new covenant, and to the sprinkled blood that speaks of something better than Abel’s does.