Luke
Luke 5:31ESV·traditional attribution

And Jesus answered them, “Those who are well have no need of a physician, but those who are sick.

Matthew Henry Presbyterian @wholebiblehenry

All this, except the last verse, we had before in Matthew and Mark; it is not the story of any miracle in nature wrought by our Lord Jesus, but it is an account of some of the wonders of his grace, which, to those who understand things aright, are no less cogent proofs of Christ's being sent of God than the other. I.

Commenting on Luke 5:27-39

John Gill Reformed Baptist @doctorgill

And Jesus answering, said unto them,.... Knowing that they aimed at him; though, according to this evangelist, they only mentioned his disciples, however, he takes up the cause, and vindicates both himself and them, by observing to them the following proverb; they that are whole need not a physician, but they that are sick: suggesting hereby, that as such who are in good health, who...

Albert Barnes Presbyterian @notesbybarnes

Verse 31. No entry from BARNES for this verse. (w) "physician"