The novel is also full of light imagery: often, holy or enlightened beings (such as the Spirits in the Valley of the Shadow of Life) are described as being blindingly bright. In general, light symbolizes the enlightenment and beauty that Christianity provides. The enlightenment of Christianity isn’t always pleasurable—at times, in fact, it can be painful and hurtful—but in the end, it is true, beautiful, and emphatically real, and it leads human beings to salvation.
Light Quotes in The Great Divorce
One grows out of [light]. Of course, you haven't seen my later works. One be- comes more and more interested in paint for its own sake.