In the frank expression of conflicting opinions lies the greatest promise of wisdom in governmental action.

Brandeis’s line argues that democratic decision-making improves when disagreement is aired openly rather than suppressed. “Frank expression” suggests candor and transparency; “conflicting opinions” implies that policy questions rarely have a single self-evident answer. The quote treats dissent not as a threat to governance but as a resource: by forcing officials to confront competing facts, values, and predicted consequences, public conflict can refine judgment and expose error. In this view, governmental “wisdom” is less a product of unanimity than of a process—deliberation in which opposing arguments are tested in the open and decisions become more accountable to reason and evidence.