Catechism of the Catholic Church

601 The Scriptures had foretold this divine plan of salvation through the putting to death of "the righteous one, my Servant" as a mystery of universal redemption, that is, as the ransom that would free men from the slavery of sin. ³⁹⁷ Citing a confession of faith that he himself had "received", St. Paul professes that "Christ died for our sins in accordance with the scriptures." ³⁹⁸ In particular Jesus' redemptive death fulfils Isaiah's prophecy of the suffering Servant. ³⁹⁹ Indeed Jesus himself explained the meaning of his life and death in the light of God's suffering Servant. ⁴⁰⁰ After his Resurrection he gave this interpretation of the Scriptures to the disciples at Emmaus, and then to the apostles. ⁴⁰¹