פקד את בני לוי לבית אבתם... כל זכר מבן חדש ומעלה תפקדם. ויפקד אתם משה על פי ד'
Perhaps the infants of Shevet Levi were precocious, but they certainly did not perform the service in the Sanctuary at the age of thirty-days old. Horav Moshe Feinstein, zl, explains that the members of other tribes were occupied with guarding and working the land. Thus, they were unable to devote as much time to their children’s education as were the Leviim. Therefore, they were counted when they reached the age of twenty years. When they were still young, it was difficult to know if they would achieve the spiritual level required to represent the nation. At age twenty, the way…
