Then the Lord appeared to Abraham at the oaks of Mamre while he was sitting in the entrance of his tent during the heat of the day.
References for Genesis 18:1
He looked up, and he saw three men standing near him. When he saw them, he ran from the entrance of the tent to meet them and bowed to the ground.
Then he said, "My lord, if I have found favor in your sight, please do not go on past your servant.
References for Genesis 18:3
Let a little water be brought, that you may wash your feet and rest yourselves under the tree.
I will bring a bit of bread so that you may strengthen yourselves. This is why you have passed your servant's [way]. Later, you can continue on." "Yes," they replied, "do as you have said."
References for Genesis 18:5
So Abraham hurried into the tent and said to Sarah, "Quick! Knead three measures of fine flour and make bread."
References for Genesis 18:6
Meanwhile, Abraham ran to the herd and got a tender, choice calf. He gave it to a young man, who hurried to prepare it.
Then Abraham took curds and milk, and the calf that he had prepared, and set [them] before the men. He served them as they ate under the tree.
References for Genesis 18:8