John Gills Exposition of the Bible Commentary - Exodus 9:14
For I will at this time send all my plagues upon thine heart ,.... Not meaning particularly the plague of the hail, which next follows, so called, because it consisted of various things, as hail, rain, lightning, and thunder, as Aben Ezra, and who observes, that Pharaoh was more terrified with this plague than with any other; but rather all the plagues yet to come, for by them are not meant all the plagues that were in the power of God to inflict, which how many and great they are none can... read more
Matthew Henry's Complete Commentary - Exodus 9:13-21
Here is, I. A general declaration of the wrath of God against Pharaoh for his obstinacy. Though God has hardened his heart (Exod. 9:12), yet Moses must repeat his applications to him; God suspends his grace and yet demands obedience, to punish him for requiring bricks of the children of Israel when he denied them straw. God would likewise show forth a pattern of long-suffering, and how he waits to be gracious to a rebellious and gainsaying people Six times the demand had been made in vain, yet... read more