Use when deciding whether to trust an ideology — ask what its believers actually do, not what they say. Use when you notice a gap between a plan's grand rationale and the small, sordid act it actually produces. Use when auditing yourself: does the deed match the doctrine, or only the crime?

This is the theory collapsing under its own psychological weight — exactly what the novel is built to show. The distance between the idea ('overstep, become Napoleon') and the deed ('I was only capable of killing') is the whole tragedy. It teaches that the real test of a worldview is execution, not articulation: a theory you can state but not live is already dead.