Genesis 18:5
And I will fetch a morsel of bread, and comfort ye your hearts; after that ye shall pass on: for therefore are ye come to your servant. And they said, So do, as thou hast said.
Cross-references
In Judges 13:15, Manoah offers to prepare a young goat for the angel — exactly Abraham's impulse here: providing food to refresh a divine guest.
In Judges 19:5, the same hospitality formula appears: a host offers bread to 'strengthen' a guest before departure.
In 1 Kings 17:11, Elijah asks a widow for a piece of bread — both scenes center on bread as a basic act of provision for a stranger.
In Exodus 2:20, Jethro tells his daughters to invite Moses to eat — the same Near Eastern custom of feeding a passing traveler.
In Judges 6:18, Gideon brings out an offering of meat and bread for the divine visitor — the same impulse to prepare food to refresh a guest.
In Acts 16:15, Lydia urges Paul's group to stay in her house — the same impulse to extend hospitality to visiting strangers.