Catechism in a Year
Sunday, April 15, 2018
119. In what way did Christ offer himself to the Father?
The entire life of Christ was a free offering to the Father to carry out his plan of salvation. He gave "his life as a ransom for many" (Mark 10:45) and in this way he reconciled all of humanity with God. His suffering and death showed how his humanity was the free and perfect instrument of that divine love which desires the salvation of all people.
Further reading: CCC 606-609, 620
120. How is Jesus' offering expressed at the Last Supper?
At the Last Supper with his apostles on the eve of his passion Jesus anticipated, that is, both symbolized his free self-offering and made it really present: "This is my Body which is given for you" (Luke 22:19), "This is my Blood which is poured out..." (Matthew 26:28) Thus he both instituted the Eucharist as the "memorial" (1 Corinthians 11:25) of his sacrifice and instituted his apostles as priests of the new covenant.
Further reading: CCC 610-611, 621
These excerpts are from the Compendium of the CCC