John Gills Exposition of the Bible Commentary - Exodus 8:18
And the magicians did so with their enchantments, to bring forth lice ,.... They made use of their magical art, and juggling tricks they were masters of, to produce the like sort of creatures, or at least to make such appear, or seem to appear, to the eyes of men: but they could not ; God would not suffer them to do it, to impose upon Pharaoh, and deceive him and the Egyptians any longer; and a stop is put to them, when such small and despicable creatures were produced, the more to put... read more
Matthew Henry's Complete Commentary - Exodus 8:16-19
Here is a short account of the plague of lice. It does not appear that any warning was given of it before. Pharaoh's abuse of the respite granted to him might have been a sufficient warning to him to expect another plague: for if the removal of an affliction harden us, and so we lose the benefit of it, we may conclude it goes away with a purpose to return or to make room for a worse. Observe, I. How this plague of lice was inflicted on the Egyptians, Exod. 8:16, 17. The frogs were produced out... read more