Genesis 18:1

Then Yahweh appeared to Abram and said, “To your seed I will give this land.” So he built an altar there to Yahweh who had appeared to him.

Now it happened that when Abram was ninety-nine years old, Yahweh appeared to Abram and said to him, “I am God Almighty; Walk before Me and be blameless,

Then the men turned away from there and went toward Sodom, while Abraham was still standing before Yahweh.

And Abraham journeyed from there toward the land of the Negev and settled between Kadesh and Shur; then he sojourned in Gerar.

And Yahweh appeared to him and said, “Do not go down to Egypt; dwell in the land of which I shall tell you.

And Jacob came to his father Isaac at Mamre of Kiriath-arba (that is, Hebron), where Abraham and Isaac had sojourned.

Now it happened when Joshua was by Jericho, that he lifted up his eyes and looked, and behold, a man was standing opposite him with his sword drawn in his hand, and Joshua went to him and said to him, “Are you for us or for our adversaries?”

By faith he sojourned in the land of promise, as in a foreign land, dwelling in tents with Isaac and Jacob, fellow heirs of the same promise,

Do not neglect to show hospitality to strangers, for by this some have entertained angels without knowing it.

Yahweh Appears to Abraham