'New Covenant' in the Bible

For finding fault with them, He says,“Behold, days are coming, says the Lord,When I will effect a new covenantWith the house of Israel and with the house of Judah;

When He said, “A new covenant,” He has made the first obsolete. But whatever is becoming obsolete and growing old is ready to disappear.

For this reason He is the mediator of a new covenant, so that, since a death has taken place for the redemption of the transgressions that were committed under the first covenant, those who have been called may receive the promise of the eternal inheritance.

and to Jesus, the mediator of a new covenant, and to the sprinkled blood, which speaks better than the blood of Abel.