Joseph employs a rhetorical question to assert his authority and justify the discovery of the cup, making his supernatural discernment seem inevitable. By asking rather than stating, he allows them to draw their own conclusion about the futility of deception before someone with divinatory powers, intensifying their helplessness and preparing them for confession.

The brothers offered no verbal answer to this question, recognizing the futility of denial before one claiming supernatural detection. Their silence acknowledged Joseph’s asserted power and their apparent inability to escape his judgment.

Joseph’s second question shifts from accusation to explanation, asserting his power to detect their crime through divination. The rhetorical form expects no response, functioning instead as a declaration of omniscience that makes denial impossible. The Hebrew construction ‘halo yeda’tem’ (do you not know) assumes their awareness should be obvious, adding incredulity to the question. Joseph’s claim to practice ‘nachash’ (divination) reflects Egyptian cultural expectations while ironically pointing to his genuine, though non-supernatural, knowledge of the cup’s location. The theological significance centers on divine omniscience: God uses even false claims to supernatural knowledge to reveal hearts and accomplish His redemptive purposes.