The book of Numbers begins with a census of the Israelite community as they prepare for their journey to the Promised Land. This verse specifically refers to the tribe of Manasseh, one of the tribes descended from Joseph. The census was a practical measure to organize the community for both military and social purposes. Each man over the age of twenty was counted, emphasizing the readiness and responsibility of the community to defend itself and maintain order.
This organizational effort reflects a broader spiritual principle of being prepared and united in purpose. It highlights the importance of recognizing each person's contribution to the community, ensuring that everyone is accounted for and valued. This preparation was crucial for the Israelites as they faced the uncertainties of the wilderness journey, teaching us about the importance of community, responsibility, and readiness in our own lives.