KJV: Else, if thou wilt not let my people go, behold, I will send swarms of flies upon thee, and upon thy servants, and upon thy people, and into thy houses: and the houses of the Egyptians shall be full of swarms of flies, and also the ground whereon they are.
NASB: "For if you do not let My people go, behold, I will send swarms of insects on you and on your servants and on your people and into your houses; and the houses of the Egyptians will be full of swarms of insects, and also the ground on which they dwell.
KJV: And the LORD did so; and there came a grievous swarm of flies into the house of Pharaoh, and into his servants' houses, and into all the land of Egypt: the land was corrupted by reason of the swarm of flies.
NASB: Then the LORD did so. And there came great swarms of insects into the house of Pharaoh and the houses of his servants and the land was laid waste because of the swarms of insects in all the land of Egypt.
KJV: And Moses said, Behold, I go out from thee, and I will intreat the LORD that the swarms of flies may depart from Pharaoh, from his servants, and from his people, to morrow: but let not Pharaoh deal deceitfully any more in not letting the people go to sacrifice to the LORD.
NASB: Then Moses said, "Behold, I am going out from you, and I shall make supplication to the LORD that the swarms of insects may depart from Pharaoh, from his servants, and from his people tomorrow; only do not let Pharaoh deal deceitfully again in not letting the people go to sacrifice to the LORD."
KJV: And the LORD did according to the word of Moses; and he removed the swarms of flies from Pharaoh, from his servants, and from his people; there remained not one.
NASB: The LORD did as Moses asked, and removed the swarms of insects from Pharaoh, from his servants and from his people; not one remained.
KJV: For I will at this time send all my plagues upon thine heart, and upon thy servants, and upon thy people; that thou mayest know that there is none like me in all the earth.
NASB: "For this time I will send all My plagues on you and your servants and your people, so that you may know that there is no one like Me in all the earth.