Augustine of Hippo
Catena Aurea · Matthäusevangelium 9
And as Jesus passed forth from thence, he saw a man, named Matthew, sitting at the receipt of custom: and he saith unto him, Follow me. And he arose, and followed him. And it came to pass, as Jesus sat at meat in the house, behold, many Publicans and sinners came and sat down with him and his disciples. And when the Pharisees saw it, they said unto his disciples, Why eateth your Master with Publicans and sinners? But when Jesus heard that, he said unto them, They that be whole need not a physician, but they that are sick. But go ye and learn what that meaneth, I will have mercy, and not sacrifice: for I am not come to call the righteous, but sinners to repentance.
(ubi sup.) Luke seems to have related this a little differently; according to him the Pharisees say to the disciples, Why do ye eat and drink with Publicans and sinners? (Luke 5:30.) not unwilling that their Master should be understood to be involved in the same charge; insinuating it at once against Himself and His disciples. Therefore Matthew and Mark have related it as said to the disciples, because so it was as much an objection against their Master whom they followed and imitated. The sense therefore is one in all, and so much the better conveyed, as the words are changed while the substance continues the same.