ויקרא, פרק ו׳, פסוק ד׳

Sacred service in the Tabernacle extends beyond the glorious moments of offering sacrifices; it demands careful attention to the remnants left behind. Handling the altar's ashes teaches reverence, order, and the necessity of starting anew. The priest is tasked with removing the fatty remains of the sacrifices, which are distinct from ordinary wood ash [הכתב והקבלה]. Unlike the daily morning ritual of lifting a small handful of ash, clearing the entire altar is not an everyday requirement. Over time, the remnants would accumulate in the center of the altar into a large mound. Only when this pile grew so large that it obstructed the arrangement of wood would the priest clear it away entirely [רש״י, מזרחי, גור אריה].

Before undertaking this task, the priest must change his garments. Although the priestly vestments are sacred property, they are referred to as his own to teach a lesson in basic decency: holy items should be treated with the same natural respect as personal belongings, meaning one should not perform dirty work in pristine garments [כלי יקר]. The priest then puts on different clothes. The primary approach among commentators is that these are not ordinary civilian clothes, but rather older, worn-out priestly garments, though a minority view maintains that they are indeed everyday civilian clothes [רמב״ן, הופמן]. This change is rooted in basic etiquette and respect toward God. Just as a servant would not pour wine for their master in the same soiled clothes they used for cooking, a priest should not approach the altar's primary services in garments stained from ash removal [רש״י, מזרחי]. While some view this change of clothing as an absolute requirement and a positive commandment of respect [רמב״ן], others consider it a matter of proper conduct, noting that if the priest does not intend to perform further altar service that day, he is not strictly required to change [גור אריה, משכיל לדוד]. Additionally, because the specific title of the priest is omitted from this instruction, even a priest with a physical blemish is permitted to clear the ashes [חזקוני, מלבי״ם].

The process of changing clothes and clearing the ash carries profound conceptual weight. Removing the remnants of yesterday's service ensures that the new day begins on completely clean ground. It serves as a reminder to approach daily duties with renewed dedication, rather than resting on the pride of past achievements. Performing this task in lesser garments reinforces a sense of humility [רש ר הירש]. On another level, the act of disrobing, dressing in different garments, and traveling outside the city mirrors the human lifecycle, serving as a reminder of mortality and the shrouds worn at death [פרדס יוסף].

The ashes are carried outside the camp—initially beyond the Israelites' tents in the desert, and in later generations, beyond the walls of Jerusalem. Philosophically, this reflects the four elemental components of the sacrifice: the fire is consumed upon the altar, the wind rises as a pleasing aroma, the liquids of water and blood are dashed against the altar, and the coarse physical matter representing earth is carried outside to return to the ground [שפתי כהן]. The final destination for these remnants must be a pure location. Despite being waste, the ashes retain a degree of holiness and remain forbidden for secular use. Out of respect for their sacred origin, they cannot be discarded in an impure area such as a cemetery, but must be deposited in a clean and fitting environment [בכור שור, חזקוני, שטיינזלץ].