In "Sunshine on Scotland Street" by Alexander McCall Smith, the discovery of a hidden cargo of whisky is likened to the biblical moment when the Israelites found manna in the wilderness. This comparison emphasizes the unexpected joy and relief that such a find brings, akin to a divine gift in times of need. The whisky symbolizes comfort and an uplifting experience for the characters, much like the sustenance manna provided to the Israelites during their journey.

The narrative explores themes of serendipity and the small pleasures that life offers, resonating with the joy of finding something precious when least expected. McCall Smith's storytelling in this novel reflects on the significance of such moments, illustrating how they can brighten the mundane aspects of everyday life, reinforcing the idea that happiness can be found in surprising places.