Numbers Chapter 21, Verse 8

8: And the LORD said unto Moses, Make thee a fiery serpent, and set it upon a pole: and it shall come to pass, that every one that is bitten, when he looketh upon it, shall live.- edit KJV text
8: And the Lord said to him: Make a brazen serpent, and set it up for a sign: whosoever being struck shall look on it, shall live.— edit Douay text
8: And Moses prayed to the Lord for the people; and the Lord said to Moses, Make thee a serpent, and put it on a signal-[staff]; and it shall come to pass that whenever a serpent shall bite a man, every one [so] bitten that looks upon it shall live.— edit LXX text