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.
KJV: And in very deed for this cause have I raised thee up, for to shew in thee my power; and that my name may be declared throughout all the earth.
NASB: "But, indeed, for this reason I have allowed you to remain, in order to show you My power and in order to proclaim My name through all the earth.
KJV: And the LORD said unto Moses, Lo, I come unto thee in a thick cloud, that the people may hear when I speak with thee, and believe thee for ever. And Moses told the words of the people unto the LORD.
NASB: The LORD said to Moses, "Behold, I will come to you in a thick cloud, so that the people may hear when I speak with you and may also believe in you forever." Then Moses told the words of the people to the LORD.
KJV: And Moses said unto the people, Fear not: for God is come to prove you, and that his fear may be before your faces, that ye sin not.
NASB: Moses said to the people, "Do not be afraid; for God has come in order to test you, and in order that the fear of Him may remain with you, so that you may not sin."