Introit

    Upon a high throne I saw a Man sitting, whom a multitude of Angels adore singing together: Behold Him the name of whose empire is for ever. Ps. O sing joyfully to the Lord, all the earth: serve ye the Lord with gladness. ℣. Glory be. Upon a high...

Collect

    O Lord, we beseech Thee, mercifully hear the prayers of Thy people who call upon Thee; and grant that they may both perceive what they ought to do, and may have grace and strength to fulfill the same. Through our Lord.

Commemoration of the Octave:

Collect

    O God, who on this day by the leading of a star didst manifest Thine only-begotten Son to the Gentiles; mercifully grant that we who know Thee now by faith, may be brought to the contemplation of the beauty of Thy majesty. Through the same.

Epistle: Romans xii. 1-5

    Lesson from the Epistle of St. Paul to the Romans. Brethren: I beseech you, by the mercy of God, that you present your bodies a living sacrifice, holy, pleasing unto God, your reasonable service. And be not conformed to this world, but be reformed in the newness of your mind, that you may prove what is the good and the acceptable, and the perfect will of God. For I say, by the grace that is given me, to all that are among you, not to be more wise than it behoveth to be wise, but to be wise unto sobriety and according as God hath divided to every one the measure of faith. For as in one body we have many members, but all the members have not the same office; so we, being many, are one body in Christ, and every one members one of another: in Christ Jesus our Lord.

Gradual: Psalms lxxi. 18, 3

    Blessed be the Lord, the God of Israel, who alone doth wonderful things from the beginning. ℣. Let the mountains receive peace fro Thy people and the hills justice.

Alleluia: Psalms xcix. 1

    Alleluia, alleluia. ℣. Sing joyfully to God, all the earth: serve ye the Lord with gladness. Alleluia.

Gospel: Luke ii. 42-52

    + Continuation of the Gospel of St. Luke. When Jesus was twelve years old, they going up into Jerusalem according to the custom of the feast, and having fulfilled the days, when they returned, the Child Jesus remained in Jerusalem, and His parents knew it not. And thinking that He was in the company, they came a day's journey, and sought Him among His kinsfolks and acquaintance. And not finding Him, they returned into Jerusalem, seeking Him. And it came to pass that after three days they found Him in the Temple, sitting in the midst of the doctors, hearing them and asking them questions. And all that heard Him were astonished as His wisdom and His answers. And seeing Him they wondered. And His mother said to Him: Son, why hast Thou done so to us? Behold Thy father and I have sought Thee sorrowing. And He said to them: How is it that you sought Me? Did you not know that I must be about My Father's business? And they understood not the word that He spoke unto them. And He went down with them and came to Nazareth, and was subject to them. And His mother kept all these words in her heart. And Jesus advanced in wisdom and age and grace with God and men.

Offertory: Psalms xcix. 1, 2

    Sing joyfully to God, all the earth, serve ye the Lord with gladness: come in before His presence with exceeding great joy: for the Lord He is God.

Secret

    May the sacrifice which is offered to Thee, O Lord, always quicken and protect us. Through our Lord.

Commemoration of the Octave:

Secret

    Graciously look down, we beseech Thee, O Lord, upon the gifts of Thy Church: by which gold, frankincense, and myrrh are no longer laid before Thee; but He is sacrificed and received who by those very gifts was signified, Jesus Christ Thy Son our Lord. Who with Thee.

Communion: Luke ii. 48, 49

    Son, why hast Thou done so to us? I and Thy father have sought Thee sorrowing. How is it that you sought me? Did you not know that I must be about My Fathers' business?

Postcommunion

    We humbly beseech Thee, almighty God, that Thou wouldst grant to those whom Thou refreshest with Thy sacraments, that they may serve Thee worthily by a life well pleasing to Thee. Through our Lord.

Commemoration of the Octave:

Postcommunion

    Grant, we beseech Thee, O almighty God, that by a purified mind we may attain to the understanding of that which we solemnly celebrate. Through our Lord.

+ Taken from St. Andrew Daily Missal, by Dom Gaspar Lefebvre, O.S.B., Imprimi Potest 11-18-1945 P. Joannes Delacroix, O.S.B., Imprimatur 11-22-1945 Joseph Van Der Meersch