דברי הימים ב, פרק כ״ט, פסוק ט״ו

The Levites gather, prepare themselves spiritually, and step forward to begin the vital work of purifying the Temple. They undertake this mission driven by a dual authority: the directive of the king and the ultimate will of God. This combination reveals that the king's instruction is not merely a royal order, but is rooted directly in God's own laws. The Torah itself demands this purification so that the service of God can be carried out correctly [רלב״ג].

Engaging in this effort means acting in direct fulfillment of God's commandments, as the task is fundamentally tied to God and His service [מצודת דוד, ביאור שטיינזלץ]. Ultimately, the goal of their gathering is highly practical. They arrive with the clear, hands-on purpose to physically clean and completely purify the house of God [רד״ק, ביאור שטיינזלץ].