اَلْعَدَد 21:8

فَقَالَ ٱلرَّبُّ لِمُوسَى: «ٱصْنَعْ لَكَ حَيَّةً مُحْرِقَةً وَضَعْهَا عَلَى رَايَةٍ، فَكُلُّ مَنْ لُدِغَ وَنَظَرَ إِلَيْهَا يَحْيَا».

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.