And as the people were in expectation, and all men questioned in their hearts concerning John, whether he was the Christ, or not;
All Commentaries on Luke 3:15 Go To Luke 3
John Chrysostom
AD 407
And having said that his own baptism was only with water, he next shows the excellence of that baptism which was brought by Christ, adding, He shall baptize you with the Holy Spirit, and fire, signifying by the very metaphor which he uses the abundance of grace. For he says not, “ He shall give you the Holy Spirit,” but He shall baptize you. And again, bythe addition of fire, he shows the power of grace. And as Christ calls the grace of the Spirit, water, meaning by water the purity resulting from it, and the abundant consolation which is brought to minds which are capable of receiving Him; so also John, by the word fire, expresses the fervor and uprightness of grace, as well as the consuming of sins.