The king reigns, but does not govern.

The aphorism draws a sharp distinction between symbolic sovereignty and effective political power. Read in a constitutional sense, it implies that a monarch may embody the state—serving as a unifying figurehead, source of legitimacy, or ceremonial head—while actual governance is carried out by ministers, councils, or representative institutions. The line is often used to describe systems in which executive authority is constrained by law and custom, so that “reigning” denotes status and continuity, whereas “governing” denotes decision-making and administration. Attributed to Jan Zamoyski, it also resonates with the Polish–Lithuanian Commonwealth’s tradition of limiting royal power through the nobility and parliament (Sejm), even if the precise wording and occasion are uncertain.