"Hebrews says Christ was offered 'once for all.' So why do Catholic priests offer sacrifice every day? Isn't the Mass crucifying Jesus again?"
Short answer: No. The Mass does not repeat Calvary or add to it. It makes present the one sacrifice of the cross, offered once for all, so that we can share in it (CCC 1366–1367). In the Church's words, "The victim is one and the same... only the manner of offering is different."
Key verses on the sacrifice of the Mass
- "he did that once for all when he offered himself." (Hebrews 7:27)
- "This is my body, which will be given for you; do this in memory of me." (Luke 22:19)
- "From the rising of the sun to its setting, my name is great among the nations; Incense offerings are made to my name everywhere, and a pure offering" (Malachi 1:11)
- "The cup of blessing that we bless, is it not a participation in the blood of Christ?" (1 Corinthians 10:16)
- "a Lamb that seemed to have been slain." (Revelation 5:6)
Scripture quotations are from the New American Bible, Revised Edition (NABRE), © 2010, 1991, 1986, 1970 Confraternity of Christian Doctrine, Washington, D.C. Used by permission. All rights reserved.
What Catholics Actually Teach
"The Eucharist is thus a sacrifice because it re-presents (makes present) the sacrifice of the cross, because it is its memorial and because it applies its fruit" (CCC 1366). Note the word: re-presents, not repeats.
"The sacrifice of Christ and the sacrifice of the Eucharist are one single sacrifice." Quoting the Council of Trent, the Catechism continues: "The victim is one and the same: the same now offers through the ministry of priests, who then offered himself on the cross; only the manner of offering is different" (CCC 1367). And: "The redemptive sacrifice of Christ is unique, accomplished once for all; yet it is made present in the Eucharistic sacrifice of the Church" (CCC 1545).
How can a past event be present? Because of who Christ is. His death and Resurrection are a real event in history, but "all that Christ is - all that he did and suffered for all men - participates in the divine eternity, and so transcends all times while being made present in them all" (CCC 1085).
What Catholics do not teach:
- That Jesus dies again. In the Mass Christ "is offered in an unbloody manner" (CCC 1367). He does not suffer or die again.
- That Calvary was insufficient. The cross accomplished "an everlasting redemption" (CCC 1366). The Mass adds nothing; it applies its fruit.
- That the priest is a second redeemer. "Only Christ is the true priest, the others being only his ministers" (CCC 1545).
The Biblical Case
1. Malachi foresaw a pure offering among the nations
God rebukes Israel's corrupt priests: "I will not accept any offering from your hands!" Then He promises: "From the rising of the sun to its setting, my name is great among the nations; Incense offerings are made to my name everywhere, and a pure offering" (Malachi 1:10–11). Temple sacrifice could only be offered in Jerusalem. Malachi foresees a pure offering everywhere, among the Gentiles. The earliest Christians read this as the Eucharist.
2. Jesus spoke in sacrificial terms
"This is my body, which will be given for you; do this in memory of me." And "This cup is the new covenant in my blood, which will be shed for you" (Luke 22:19–20). A body given and blood shed to seal a covenant: this is the language of sacrifice. St. Paul adds, "For as often as you eat this bread and drink the cup, you proclaim the death of the Lord until he comes" (1 Corinthians 11:26). On Christ's real presence, see Is the Eucharist Really the Body and Blood of Jesus?
3. St. Paul compares the Lord's table to sacrificial altars
"The cup of blessing that we bless, is it not a participation in the blood of Christ? The bread that we break, is it not a participation in the body of Christ?" Then: "Look at Israel according to the flesh; are not those who eat the sacrifices participants in the altar?" What pagans offer, "[they sacrifice] to demons, not to God," so "You cannot partake of the table of the Lord and of the table of demons" (1 Corinthians 10:16–21). St. Paul sets the Lord's table beside Israel's altar and pagan altars. In Malachi, "the table of the LORD" is the altar itself (Malachi 1:7).
Hebrews agrees: "We have an altar from which those who serve the tabernacle have no right to eat" (Hebrews 13:10). An altar is a place of sacrifice, and Christians eat from theirs.
4. Christ's priesthood is ongoing
Jesus "has a priesthood that does not pass away," and "he lives forever to make intercession for them" (Hebrews 7:24–25). "Now every high priest is appointed to offer gifts and sacrifices; thus the necessity for this one also to have something to offer" (Hebrews 8:3). He entered "heaven itself, that he might now appear before God on our behalf" (Hebrews 9:24). In heaven St. John sees "a Lamb that seemed to have been slain" (Revelation 5:6). Christ does not die again in heaven, yet He appears there as the slain Lamb. The Holy Mass joins that one heavenly offering. It does not create a new one.
Objections Answered
(a) "Hebrews says Christ was offered once for all. Daily Masses contradict that."
At its strongest: Jesus "has no need, as did the high priests, to offer sacrifice day after day... he did that once for all when he offered himself" (Hebrews 7:27). He did not "offer himself repeatedly... if that were so, he would have had to suffer repeatedly from the foundation of the world. But now once for all he has appeared at the end of the ages to take away sin by his sacrifice" (Hebrews 9:25–26). "Every priest stands daily at his ministry, offering frequently those same sacrifices that can never take away sins. But this one offered one sacrifice for sins" (Hebrews 10:11–12). Daily Masses look like the repeated sacrifices Hebrews says are finished.
Answer: Catholics affirm every word. Hebrews 9:26 rules out an offering that would require Christ "to suffer repeatedly." The Mass involves no new suffering and no new death. The Levitical priests offered many victims that "can never take away sins." The Mass offers no new victim: it is the same victim and the same offering, made present (CCC 1367). Many celebrations, one sacrifice.
(b) "Hebrews 10:18 says there is no longer any offering for sin."
At its strongest: "Where there is forgiveness of these, there is no longer offering for sin" (Hebrews 10:18). "For by one offering he has made perfect forever those who are being consecrated" (Hebrews 10:14). If the Mass is a sacrifice for sin, it seems to deny that the work is finished.
Answer: Hebrews 10:18 rules out any other offering for sin, and the Mass is not another offering. The cross won forgiveness once, but that forgiveness still has to reach people; Hebrews 10:14 speaks of those "being consecrated." Baptism doesn't add to the cross, and neither does the Mass: it "applies its fruit" (CCC 1366). But unlike a sermon, the Mass is itself a true sacrifice, Calvary's one sacrifice made present: "As sacrifice, the Eucharist is also offered in reparation for the sins of the living and the dead" (CCC 1414).
(c) "Jesus said, 'It is finished.'"
At its strongest: On the cross Jesus cried, "It is finished" (John 19:30). The work of atonement is complete. Any continuing sacrifice, however it is explained, implies that something remains undone.
Answer: Catholics agree: the work of redemption was finished on Calvary, and the Mass adds nothing to it. But "finished" does not mean "inactive." After the cross, Hebrews says Our Lord "lives forever to make intercession for them" (Hebrews 7:25) and has entered heaven "that he might now appear before God on our behalf" (Hebrews 9:24). A finished sacrifice is still presented to the Father. And Christ Himself commanded His Church to keep proclaiming that finished death at His table: "you proclaim the death of the Lord until he comes" (1 Corinthians 11:26). The Mass is how the finished work reaches us. It does not reopen it.
The Early Church Agrees
- The Didache (late first or early second century, date approximate) instructs: "But every Lord's day gather yourselves together, and break bread, and give thanksgiving after having confessed your transgressions, that your sacrifice may be pure." It then cites Malachi: "In every place and time offer to me a pure sacrifice" (ch. 14).
- St. Ignatius of Antioch (Letter to the Philadelphians, c. AD 110) links the Eucharist to an altar: "Take heed, then, to have but one Eucharist. For there is one flesh of our Lord Jesus Christ, and one cup to [show forth ] the unity of His blood; one altar; as there is one bishop" (4).
- St. Justin Martyr (Dialogue with Trypho, c. AD 160) applies Malachi 1:11 to Christians: "[So] He then speaks of those Gentiles, namely us, who in every place offer sacrifices to Him, i.e., the bread of the Eucharist, and also the cup of the Eucharist" (ch. 41).
- St. Cyprian of Carthage (Epistle 62, to Caecilius, mid-third century) ties the Mass directly to Christ's own offering: "For if Jesus Christ, our Lord and God, is Himself the chief priest of God the Father, and has first offered Himself a sacrifice to the Father, and has commanded this to be done in commemoration of Himself, certainly that priest truly discharges the office of Christ, who imitates that which Christ did" (14). One Priest, one sacrifice; the minister acts in His name.
- St. John Chrysostom (Homilies on Hebrews, around AD 400), answering this very objection from Hebrews: "Do not we offer every day? We offer indeed, but making a remembrance of His death, and this [remembrance] is one and not many." He adds, "we always offer the same, not one sheep now and tomorrow another, but always the same thing: so that the sacrifice is one" (Homily 17.6).
Conclusion
The Mass is not a second Calvary. It is the one Calvary, made present on the altar, so that Christians in every time and place can stand at the foot of the cross and share in its fruit.
If you have avoided the Mass because you thought it denied the sufficiency of Christ's sacrifice, come and see. Nothing in the Holy Mass honors the cross more. It proclaims "the death of the Lord until he comes."
Come home. Every day, on altars around the world, the Catholic Church makes present the one sacrifice of Calvary, offered once for all. Christ did not found many churches. He founded one, on St. Peter and the apostles (Matthew 16:18), and that Church is the Catholic Church. "It is through Christ's Catholic Church alone, which is the universal help toward salvation, that the fullness of the means of salvation can be obtained" (CCC 816). If you are a baptized Christian, you already share "a certain, although imperfect, communion" with her (CCC 838). Every truth you already hold is a call to the rest of the way. Christ is calling you into the Catholic Church.
Your next step: Come to Mass this Sunday at your local Catholic church. You can find one near you at MassTimes.org. Everyone is welcome; if you're not yet Catholic, pray with us but don't receive Communion yet. When you're ready to become Catholic, call the parish office and ask about OCIA, the Order of Christian Initiation of Adults. They will walk you through every step. Read our guide: How Do I Become Catholic? Not ready yet? Get our free pocket guide below and keep learning.
FAQ
Does the priest kill Jesus again at Mass? No. Christ "is offered in an unbloody manner" (CCC 1367). He is risen and cannot die again.
Why is the Mass called a sacrifice if Jesus died only once? Because it makes present His one sacrifice and applies its fruit (CCC 1366).
Is every Mass a separate sacrifice? No. There are many Masses, but one sacrifice. As St. John Chrysostom put it, "the sacrifice is one."
Sources
Scripture (NABRE, bible.usccb.org): Malachi 1:7, 10–11; Matthew 16:18; Luke 22:19–20; John 19:30; 1 Corinthians 10:16–21; 1 Corinthians 11:26; Hebrews 7:24–27; Hebrews 8:3; Hebrews 9:24–26; Hebrews 10:11–14, 18; Hebrews 13:10; Revelation 5:6.
Catechism of the Catholic Church (vatican.va): 816, 838; 1085; 1366, 1367; 1414; 1545.
Church Fathers (newadvent.org): The Didache 14 (ANF vol. 7); Ignatius of Antioch, Letter to the Philadelphians 4 (ANF vol. 1); Justin Martyr, Dialogue with Trypho 41 (ANF vol. 1); Cyprian, Epistle 62.14; John Chrysostom, Homilies on Hebrews 17.6 (NPNF1 vol. 14).