What is baptism by fire? John the Baptist mysteriously reveals that there is also a baptism by fire. Over the years commentators have attempted to reconcile this with eternal punishment, because if God's refining wrath is baptism that means cleansing and sanctification for the sinner. This was the understanding of the early Greek speaking Christians, that God is a kind of refining fire purifying and sanctifying sinners


Link to bible translations:

https://www.concordant.org/version/read-concordant-new-testament-online/

https://studybible.info/version/Rotherham

https://www.biblegateway.com/versions/Youngs-Literal-Translation-YLT-Bible/#booklist