True leadership is measured by morality and justice, rather than outward splendor or flashy palaces. The prophet delivers a sharp rebuke to King Jehoiakim, who mistakenly believed that building grand structures would secure his rule. To highlight this error, the prophet sets up Jehoiakim's father, King Josiah, as the ultimate role model. The prophet challenges Jehoiakim, asking if he truly thinks his kingdom will endure simply because of its outward magnificence [רש״י, מצודת דוד, רד״ק], or if the very foundation of kingship is merely possessing massive homes [מלבי״ם].
He further questions the king's obsession with building out of cedar wood. Some explain this as a drive to compete and project greatness [מלבי״ם, שטיינזלץ], while others view it as a desire to build a permanent, unshakeable grip on power [מצודת ציון, רד״ק]. The primary approach among commentators is that the prophet is criticizing the king for boasting about building long-lasting cedar palaces, especially since the materials were obtained through oppression and violence. Alternatively, the reference to cedar may be an allusion to King David. Under this view, the prophet asks Jehoiakim if he imagines himself to be like King David, who is compared to a cedar, simply because he is a descendant [רד״ק].
To illustrate Jehoiakim's mistake, the prophet points to his father, King Josiah [רש״י, מצודת דוד]. Josiah lived a full life, eating and drinking, while actively practicing justice and righteousness. The commentators agree that the prophet does not reject wealth or worldly pleasures in themselves. Josiah lived a royal lifestyle and enjoyed his high status, but because he led with humility and ensured justice, his actions were desirable [רש״י, רד״ק, שטיינזלץ]. A stricter approach suggests that Josiah never sank into luxury; even while he was eating and drinking, his mind remained focused on public needs and justice [מלבי״ם]. In this context, justice refers to the duties between people, while righteousness refers to the duties between a person and God [מלבי״ם].
A surprising interpretation of Josiah's normal eating and drinking reveals a hidden detail about Jehoiakim's own personality. Jehoiakim used to fast and afflict himself, operating under the false belief that this self-denial would atone for his evil actions and corrupt rule. The prophet counters this by pointing out that Josiah ate and drank normally and never needed to fast, simply because his everyday actions were upright [מצודת דוד, רד״ק]. Because Josiah chose a moral path, he experienced good throughout his life. This stands as proof that a stable kingdom and a good life do not rely on cedar palaces or extreme fasting, but rather on practicing justice and honesty for the benefit of all.