O Death, thou comest when I had thee least in mind.

The line personifies Death as an unexpected visitor, arriving precisely when one is least prepared—emotionally, spiritually, or practically. Its force lies in the contrast between human forgetfulness (or denial) and death’s inevitability: even when death is a certainty, daily life encourages the illusion of distance and control. The archaic address (“O Death, thou…”) places the sentiment in a devotional or elegiac register, echoing older moral and religious literature that urges vigilance and humility. As a memento mori, it underscores the fragility of plans and the suddenness with which mortality can interrupt ordinary thought.