DR Squared: Optional Memorial Of Saint Sylvester I, Pope

First Reading:  Ezekiel 34:11-16

For thus saith the Lord God: Behold I myself will seek my sheep, and will visit them. As the shepherd visiteth his flock in the day when he shall be in the midst of his sheep that were scattered, so will I visit my sheep, and will deliver them out of all the places where they have been scattered in the cloudy and dark day. And I will bring them out from the peoples, and will gather them out of the countries, and will bring them to their own land: and I will feed them in the mountains of Israel, by the rivers, and in all the habitations of the land. I will feed them in the most fruitful pastures, and their pastures shall be in the high mountains of Israel: there shall they rest on the green grass, and be fed in fat pastures upon the mountains of Israel. I will feed my sheep: and I will cause them to lie down, saith the Lord God. I will seek that which was lost: and that which was driven away, I will bring again: and I will bind up that which was broken, and I will strengthen that which was weak, and that which was fat and strong I will preserve: and I will feed them in judgment.

Responsorial Psalm:  Psalm 23 (22):1-3a, 4, 5, 6

R.  The Lord ruleth me: and I shall want nothing.

V.  The Lord ruleth me: and I shall want nothing.

     He hath set me in a place of pasture.

     He hath brought me up, on the water of refreshment:

     He hath converted my soul.

V.  For though I should walk in the midst of the shadow of death,

     I will fear no evils, for thou art with me.

     Thy rod and thy staff,

     they have comforted me.

V.  Thou hast prepared a table before me

     against them that afflict me.

     Thou hast anointed my head with oil;

     and my chalice which inebriateth me, how goodly is it!

V.  And thy mercy will follow me

     all the days of my life.

     And that I may dwell in the house of the Lord

     unto length of days.

Gospel Reading:  Matthew 16:13-19

And Jesus came into the quarters of Caesarea Philippi: and he asked his disciples, saying: Whom do men say that the Son of man is? But they said: Some John the Baptist, and other some Elias, and others Jeremias, or one of the prophets. Jesus saith to them: But whom do you say that I am? Simon Peter answered and said: Thou art Christ, the Son of the living God. And Jesus answering, said to him: Blessed art thou, Simon Bar-Jona: because flesh and blood hath not revealed it to thee, but my Father who is in heaven. And I say to thee: That thou art Peter; and upon this rock I will build my church, and the gates of hell shall not prevail against it. And I will give to thee the keys of the kingdom of heaven. And whatsoever thou shalt bind upon earth, it shall be bound also in heaven: and whatsoever thou shalt loose upon earth, it shall be loosed also in heaven.

The readings from the USCCB can be found here.