39 When then such modes of expression are met within the sacred text, which, being meant for men, is couched in human language, justice demands that they be no more taxed with error than when they occur in the ordinary intercourse of daily life. By this knowledge and exact appreciation of the modes of speaking and writing in use among the ancients can be solved many difficulties, which are raised against the veracity and historical value of the Divine Scriptures, and no less efficaciously does this study contribute to a fuller and more luminous understanding of the mind of the Sacred Writer.
Source: Divino Afflante Spiritu (Vatican.va)