In this passage, God is instructing Aaron about the duties of the Levites in relation to the tabernacle. The Levites were given the responsibility to assist the priests and take care of the tent of meeting, ensuring that everything was in order and functioning properly. However, they were not permitted to approach the most sacred parts of the sanctuary or the altar, as these were reserved for the priests alone. This distinction was crucial because it maintained the sanctity and order of worship, preventing chaos and ensuring that God's commands were followed precisely.
The verse serves as a reminder of the importance of respecting the roles and boundaries set by God. It highlights the concept of holiness and the reverence required in approaching God. Each person within the community had a specific role, and by fulfilling these roles faithfully, they contributed to the overall harmony and functioning of the community. This teaches us about the value of obedience, respect for divine order, and the significance of each individual's contribution to the collective mission of faith.