And as Moses lifted up the serpent in the wilderness, even so must the Son of man be lifted up:
All Commentaries on John 3:14 Go To John 3
Justin Martyr
AD 165
And it seems that the type and sign, which was erected to counteract the serpents which bit Israel, was intended for the salvation of those who believe that death was declared to come thereafter on the serpent through Him that would be crucified, but salvation to those who had been bitten by him and had betaken themselves to Him that sent His Son into the world to be crucified.