THIS BOOK CONTAINS 14PT FONT FOR EASIER READING. (THE AVERAGE BIBLE CONTAINS 6PT FONT LETTERING.) The First Epistle to the Corinthians, usually referred to simply as First Corinthians and often written 1 Corinthians, is one of the Pauline epistles of the New Testament of the Christian Bible. The epistle says that Paul the Apostle and "Sosthenes our brother" wrote it to "the church of God which is at Corinth".