And they that serve the city shall serve it out of all the tribes of Israel.
Read Chapter 48
George Leo Haydock
Israel. People from all parts might serve the Levites. This tribe was not to engage in labourious or sordid employments, being attached to the service of the Lord, and bound to instruct others. But this was more perfectly fulfilled in the Christian Church, where the clergy enjoy great immunities, and are forbidden to exercise any trade or employment which may take them off from their more important spiritual concerns, or render their ministry contemptible. See Exodus xix. 6.