Or [Common of a Theologian and Teacher] [Common of a Monastic or Professed Religious] [Of the Holy Trinity]

Preface of Trinity Sunday

The Collect

Almighty God, you have enriched your Church with the singular learning and holiness of your servant Thomas Aquinas: Enlighten us more and more, we pray, by the disciplined thinking and teaching of Christian scholars, and deepen our devotion by the example of saintly lives; through Jesus Christ our Lord, who lives and reigns with you and the Holy Spirit, one God, for ever and ever. Amen.

Old Testament

Wisdom 7:7-14

Therefore I prayed, and understanding was given me;
I called on God, and the spirit of wisdom came to me.
I preferred her to scepters and thrones,
and I accounted wealth as nothing in comparison with her.
Neither did I liken to her any priceless gem,
because all gold is but a little sand in her sight,
and silver will be accounted as clay before her.
I loved her more than health and beauty,
and I chose to have her rather than light,
because her radiance never ceases.
All good things came to me along with her,
and in her hands uncounted wealth.
I rejoiced in them all, because wisdom leads them;
but I did not know that she was their mother.
I learned without guile and I impart without grudging;
I do not hide her wealth,
for it is an unfailing treasure for mortals;
those who get it obtain friendship with God,
commended for the gifts that come from instruction.

The Psalm

Psalm 119:97-104

Quomodo dilexi!

97 Oh, how I love your law! *
all the day long it is in my mind.

98 Your commandment has made me wiser than my enemies, *
and it is always with me.

99 I have more understanding than all my teachers, *
for your decrees are my study.

100 I am wiser than the elders, *
because I observe your commandments.

101 I restrain my feet from every evil way, *
that I may keep your word.

102 I do not shrink from your judgments, *
because you yourself have taught me.

103 How sweet are your words to my taste! *
they are sweeter than honey to my mouth.

104 Through your commandments I gain understanding; *
therefore I hate every lying way.

The New Testament

1 Corinthians 11:23-26

I received from the Lord what I also handed on to you, that the Lord Jesus on the night when he was betrayed took a loaf of bread, and when he had given thanks, he broke it and said, "This is my body that is for you. Do this in remembrance of me." In the same way he took the cup also, after supper, saying, "This cup is the new covenant in my blood. Do this, as often as you drink it, in remembrance of me." For as often as you eat this bread and drink the cup, you proclaim the Lord’s death until he comes.

The Gospel

Matthew 13:47-52

Jesus told his disciples, "The kingdom of heaven is like a net that was thrown into the sea and caught fish of every kind; when it was full, they drew it ashore, sat down, and put the good into baskets but threw out the bad. So it will be at the end of the age. The angels will come out and separate the evil from the righteous and throw them into the furnace of fire, where there will be weeping and gnashing of teeth.

"Have you understood all this?" They answered, "Yes." And he said to them, "Therefore every scribe who has been trained for the kingdom of heaven is like the master of a household who brings out of his treasure what is new and what is old."

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