And it came to pass, that in the morning watch the Lord looked unto the host of the Egyptians. Now, in the morning watch, when the Lord, out of the pillar of fire, who had seemed all this while to wink at the enterprises of the Egyptians, began, according to our apprehension, to take notice of this their pursuit, &c. Unto an unclean place. Unto some place, which is in itself unhallowed, and is now polluted by these unclean materials, that are cast upon it.