S. Thomæ Cantuariensis Episcopi et Martyris

Introitus
Gaudeámus omnes in Dómino, diem festum celebrántes sub honóre beáti Thomæ Mártyris: de cujus passióne gaudent Angeli et colláudant Fílium Dei.
Ps 32:1.
Exsultáte, justi, in Dómino: rectos decet collaudátio.

V. Glória Patri, ...

Collect
V. The Lord be with you.
R. And with thy spirit.
Let us pray.
O God, for whose Church Bishop Thomas, now in glory, fell by the swords of wicked men, grant, we beseech You, that the prayers of all who implore his assistance may be effective and may lead to salvation.
Through Jesus Christ, thy Son our Lord, Who liveth and reigneth with thee, in the unity of the Holy Ghost, God, world without end.
R. Amen.

Let us pray.
For Octave of Nativity
Grant, we beseech You, almighty God, that the new birth, in the flesh, of Your only-begotten Son may deliver us whom the bondage of old keeps under the yoke of sin.
Through the same Jesus Christ, thy Son, Our Lord, Who liveth and reigneth with thee in the unity of the Holy Ghost, God, world without end.

R. Amen. 

From the Holy Gospel according to John

John 10:11-16
In that time Jesus said to the pharisees: I am the good shepherd. The good shepherd giveth his life for his sheep. And so on.

Homily by St. John Chrysostom, Patriarch of Constantinople.
59th on John.
Dearly beloved brethren, the Bishops of the Church hold a great office, an office that needeth much that wisdom and strength whereof Christ hath given us an example. We must learn of Him to lay down our lives for the sheep and never to leave them; and to fight bravely against the wolf. This is the difference between the true shepherd and the hireling. The one leaveth the sheep and seeketh his own safety, but the other recketh not of his own safety, so as he may watch over the sheep. Christ then having given us the pattern of a good shepherd, warneth us against two enemies; first, the thief that cometh not but to kill and to steal, and, secondly, the hireling that standeth by, and defendeth not them that are committed to his charge.

Post Communion
P. The Lord be with you.
S. And with thy spirit.
Let us pray.
May this Communion, O Lord, cleanse us of sin, and through the intercession of blessed Thomas, Your Martyr and Bishop, may it make us sharers of heavenly healing.
Through Jesus Christ, thy Son our Lord, Who liveth and reigneth with thee, in the unity of the Holy Ghost, God, world without end.
R. Amen.

Let us pray.
For Octave of Nativity
Grant, we beseech You, almighty God, that the Saviour of the world, born this day, Who is the author of our birth in godliness, may bestow on us immortal life.
Who livest and reignest with God the Father, in the unity of the Holy Spirit, God, world without end.
R. Amen