The humblest citizen of all the land, when clad in the armor of a righteous cause, is stronger than all the hosts of Error.

The sentence asserts a democratic moral calculus: legitimacy and strength come not from rank, wealth, or numbers (“hosts”), but from the justice of one’s cause. “Armor” implies that righteousness is both protection and power—an ethical stance that enables even the “humblest citizen” to withstand intimidation and defeat larger forces devoted to “Error.” In Bryan’s idiom, politics is not merely pragmatic bargaining but a moral contest in which truth ultimately has greater force than organized deception. The quote functions as encouragement to civic courage and as a warning that majorities or institutions can be wrong, while principled individuals can be historically decisive.