KJV: For the LORD had said unto Moses, Say unto the children of Israel, Ye are a stiffnecked people: I will come up into the midst of thee in a moment, and consume thee: therefore now put off thy ornaments from thee, that I may know what to do unto thee.
NASB: For the LORD had said to Moses, "Say to the sons of Israel, 'You are an obstinate people; should I go up in your midst for one moment, I would destroy you. Now therefore, put off your ornaments from you, that I may know what I shall do with you.'"
KJV: And he said, Behold, I make a covenant: before all thy people I will do marvels, such as have not been done in all the earth, nor in any nation: and all the people among which thou art shall see the work of the LORD: for it is a terrible thing that I will do with thee.
NASB: Then God said, "Behold, I am going to make a covenant. Before all your people I will perform miracles which have not been produced in all the earth nor among any of the nations; and all the people among whom you live will see the working of the LORD, for it is a fearful thing that I am going to perform with you.
KJV: And Moses gathered all the congregation of the children of Israel together, and said unto them, These are the words which the LORD hath commanded, that ye should do them.
NASB: Then Moses assembled all the congregation of the sons of Israel, and said to them, "These are the things that the LORD has commanded you to do: