For I myself am a man under authority, with soldiers under me. I tell one to go, and he goes, and another to come, and he comes. I tell my servant to do something, and he does it.”
Some difference there is between this story of the cure of the centurion's servant as it is related here and as we had it in Mat 8:5, etc. There it was said that the centurion came to Christ; here it is said that he sent to him first some of the elders of the Jews (Luk 7:3), and afterwards some other friends, Luk 7:6.
Commenting on Luke 7:1-10
For I also am a man set under authority,.... Of the Roman senate; "or belonging to the emperor", as the Arabic version renders it; and under the command of a tribune, as a centurion was: so that this is not an amplification, but a diminution of his office; and his sense is, that even he who was but an inferior officer, yet had such power...