KJV: And the earth opened her mouth, and swallowed them up together with Korah, when that company died, what time the fire devoured two hundred and fifty men: and they became a sign.
NASB: and the earth opened its mouth and swallowed them up along with Korah, when that company died, when the fire devoured 250 men, so that they became a warning.
KJV: Every thing that may abide the fire, ye shall make it go through the fire, and it shall be clean: nevertheless it shall be purified with the water of separation: and all that abideth not the fire ye shall make go through the water.
NASB: everything that can stand the fire, you shall pass through the fire, and it shall be clean, but it shall be purified with water for impurity. But whatever cannot stand the fire you shall pass through the water.
KJV: Who went in the way before you, to search you out a place to pitch your tents in, in fire by night, to shew you by what way ye should go, and in a cloud by day.
NASB: who goes before you on your way, to seek out a place for you to encamp, in fire by night and cloud by day, to show you the way in which you should go.
KJV: And ye came near and stood under the mountain; and the mountain burned with fire unto the midst of heaven, with darkness, clouds, and thick darkness.
NASB: "You came near and stood at the foot of the mountain, and the mountain burned with fire to the very heart of the heavens: darkness, cloud and thick gloom.
KJV: Take ye therefore good heed unto yourselves; for ye saw no manner of similitude on the day that the LORD spake unto you in Horeb out of the midst of the fire:
NASB: "So watch yourselves carefully, since you did not see any form on the day the LORD spoke to you at Horeb from the midst of the fire,