All commentators agree that Mark 13 is the most difficult part of the gospel to understand, as most preachers will confess to a puzzlement often leading to a near-paralysis when their minds try to get to grips with what the text can mean to a modern audience. One suggestion that may help is the idea of a vision. Our eyesight, in default of clear 20–20 vision, needs the assistance of lenses to correct and improve that vision. Bifocal lenses enable us to adjust the focal