Which book of the Apocrypha did Paul use most?

Most readers of the New Testament are familiar with the idea that Paul used the Hebrew scriptures (Old Testament). However, they might be more surprised to realise that he also makes frequent use of a range of Jewish religious writings that are not included in the Hebrew Bible (sometimes referred to as ‘apocryphal’). Which apocryphal book did he use the most and which of his letters reflect the influence of this group of writings?

Continue reading