Adam Clarke on Genesis 19:8

Behold now, I have two daughters - Nothing but that sacred light in which the rights of hospitality were regarded among the eastern nations, could either justify or palliate this proposal of Lot. A man who had taken a stranger under his care and protection, was bound to defend him even at the expense of his own life. In this light the rights of hospitality are still regarded in Asiatic countries; and on these high notions only, the influence of which an Asiatic mind alone can properly appreciate, Lot's conduct on this occasion can be at all excused: but even then, it was not only the language of anxious solicitude, but of unwarrantable haste.