Matthew Henry on Genesis 18:1-8
The appearance of God to Abraham seems to have had in it more of freedom and familiarity, and less of grandeur and majesty, than those we have hitherto read of; and therefore more resembles that great visit which, in the fullness of time, the Son of God was to make to the world, when the Word would be flesh, and appear as one of us. Observe here,
I. How Abraham expected strangers, and how richly his expectations were answered (Gen 18:1): He sat in the tent-door, in the heat of the day; not so much to repose or divert himself as to seek an opportunity of doing good, by giving entertainment to strangers and travellers, there being perhaps no inns to accommodate them. Note, 1. We are likely to…
Read the whole note in the consoleJamieson-Fausset-Brown on Genesis 18:3
My Lord, if now I have found favor--The hospitalities offered are just of the kind that are necessary and most grateful, the refreshment of water, for feet exposed to dust and heat by the sandals, being still the first observed among the pastoral people of Hebron.
Adam Clarke on Genesis 18:3
And said, My Lord, etc. - The word is אדני Adonai, not יהוה Yehovah, for as yet Abraham did not know the quality of his guests. For an explanation of this word, See note on Gen 15:8.
John Gill on Genesis 18:3
And said, my Lord,.... He addressed himself to one of them who appeared to him to be the greatest and most honourable, either by the appearance of his countenance, or by his dress, or by the situation in which he was between the other two, and by their carriage and behaviour to him:
if now I have found favour in thy sight; signifying he should esteem it an honour done him, that he and his companions would vouchsafe to stop and refresh themselves:
pass not away, I pray thee, from thy servant; they might seem, by some motion they made, as if they were going another way, and declined turning in to him.
John Calvin