And he lift up his eyes and looked, and, lo, three men stood by him. Not in addition to (Kalisch), but including (Keil), Jehovah, whose appearance to the patriarch, having in the previous verse been first generally stated, is now minutely described.
That these three men were not manifestations of the three persons of the Godhead, but Jehovah accompanied by two created angels, he ran to meet them from the tent door, and bowed himself toward the ground.
The expression denotes the complete prostration of the body by first falling on the knees, and then inclining the head forwards till it touches the ground. As this was a mode of salutation practiced by Orientals towards superiors generally, such as kings and princes (2 Samuel 9:8), but also towards equals (Genesis 23:7; Genesis 33:6, Genesis 33:7; Genesis 42:6; Genesis 43:26), as well as towards the Deity (Genesis 22:5; 1 Samuel 1:3), it is impossible to affirm with certainty (Keil, Lunge) that an act of worship was intended by the patriarch, and not simply the presentation of human and civil honor (Calvin).
If Hebrews 13:2 inclines to countenance the latter interpretation, the language in which Abraham immediately addresses one of the three men almost leads to the conclusion that already the patriarch had recognized Jehovah.