Monday-3rd week of Advent 2011

The following is an hymn for Advent, found in the Mozarabic breviary:

Let all the assembly of Christ's faithful ones laud the graces that are nigh, and sing their highest praises to their Creator.
When his only-begotten Son, who created this world, redeemed us, he fulfilled the promises which the heaven-sent prophets spoke in the ages past.
The Word having come down from heaven, and shown himself to men, took away the punishment due to their sins; and assuming our nature, though but dust, he vanquished the prince of death.
Born of a Mother in time, but begotten eternally from the Father, in the two substances there is but one Person, that is the Person of the Word.
God has come into this world made man, that our old man being changed into the new, we may put on new beauty by being regenerated in the new-born God.
Let the Gentiles, who have received this new birth of grace, in gladness and exultation at the trophy won by the divine Nativity, keep every year its feast.
Let this coming of Jesus be celebrated with devout solemnity by all, who have so just a share in the glory of this great day.
That so, when the second coming shall burst upon the world and fill it with fear, this most humble expression of our devout celebration of the first may give us confidence.
To God the Father, and to his only Son, and to the Holy Spirit, be glory for ever and ever. Amen.

And now, a prayer of thanksgiving after we have received Him in the Holy Eucharist from St. Augustine:

Wherefore, having given our hearts to our Lord God, the Father Almighty, let us with pure hearts, so far as our littleness allows, give him our deepest and most sincere thanks. Let us with all our hearts beseech his singular kindness that he may, in his goodness, hear our prayers that, by his power, he may free our thoughts and acts from all that is unworthy, increase our faith, guide our minds, grant us holy thoughts and lead us to his own joys.