Genesis 18:1 in the World English Bible
The LORD appeared to him by the oaks of Mamre, as he sat in the tent door in the heat of the day.
Context
1 And the LORD appeared unto him in the plains of Mamre: and he sat in the tent door in the heat of the day;
2 And he lift up his eyes and looked, and, lo, three men stood by him: and when he saw them, he ran to meet them from the tent door, and bowed himself toward the ground,