Gregory the Dialogist

In this matter we must carefully observe that, as we have learned from another evangelist's testimony, a centurion came to the Lord saying: "Lord, my servant lies paralyzed in my house and is grievously tormented." To whom Jesus immediately responds: "I will come and heal him." What does it mean that the royal official asks him to come to his son, and yet he refuses to go bodily; but to the centurion's servant he is not invited, and yet he promises to go bodily? …

Forty Gospel Homilies, Homily 28 ↗

Bede

Now a certain centurion's servant, who was sick and about to die, who was precious to him. Someone might ask, either piously to find out or impiously to criticize, on what grounds the evangelist said of a servant who was not dead but was healed that he was about to die. To which a brief response should be given that he truly was about to die if he had not been restored to life by the faith of his beseeching master and the compassion of Christ. …

On the Gospel of Luke ↗

Bonaventure

As to the urgency of the illness, it is added: A certain centurion's servant, being gravely ill, was about to die: and thus he had a grave illness, according to that passage in Matthew eight: "My servant lies at home paralyzed and is grievously tormented." Now he calls him a centurion who was in charge of a hundred soldiers, which they did deliberately in battles so that they might easily know the number of warriors; whence there were tribunes, centurions, commanders of fifty, and commanders of ten, who are named from the number of …

Commentary on Luke, Chapter 7 ↗