lift up his eyes ... and, lo, three men - Travellers in that quarter start at sunrise and continue till midday when they look out for some resting-place.
he ran to meet them - When the visitor is an ordinary person, the host merely rises; but if of superior rank, the custom is to advance a little towards the stranger, and after a very low bow, turn and lead him to the tent, putting an arm round his waist, or tapping him on the shoulder as they go, to assure him of welcome.