Noun
the first New Testament epistle traditionally attributed to Saint John the Apostle
Source: WordNet“The archbishop noted that the encyclical begins with that wonderful revelation from the First Epistle of John, ‘God is love, and he who abides in love abides in God, and God in him,’” Msgr. Source: Internet
Some scholars believe that the First Epistle of John was written as a response to Cerinthus. Source: Internet