Mt 8: 5-11
When he entered Capernaum, a centurion approached him and appealed to him,
saying, “Lord, my servant is lying at home paralyzed, suffering dreadfully.”
He said to him, “I will come and cure him.”
The centurion said in reply, “Lord, I am not worthy to have you enter under my roof; only say the word and my servant will be healed.
For I too am a person subject to authority, with soldiers subject to me. And I say to one, ‘Go,’ and he goes; and to another, ‘Come here,’ and he comes; and to my slave, ‘Do this,’ and he does it.”
When Jesus heard this, he was amazed and said to those following him, “Amen, I say to you, in no one in Israel have I found such faith.
I say to you, many will come from the east and the west, and will recline with Abraham, Isaac, and Jacob at the banquet in the kingdom of heaven.”
Source: New American Bible
Catechism of the Catholic Church
1386 Before so great a sacrament, the faithful can only echo humbly and with ardent faith the words of the Centurion: “Domine, non sum dignus ut intres sub tectum meum, sed tantum dic verbo, et sanabitur anima mea” (“Lord, I am not worthy that you should enter under my roof, but only say the word and my soul will be healed.”). And in the Divine Liturgy of St. John Chrysostom the faithful pray in the same spirit:
O Son of God, bring me into communion today with your mystical supper. I shall not tell your enemies the secret, nor kiss you with Judas’ kiss. But like the good thief I cry, “Jesus, remember me when you come into your kingdom.”