Not all who wander are lost is a reference to Aragorn who as a Ranger wandered all over in his duties. The poem is about Aragorn ushering in the 4th age. So I'm

Not all who wander are lost is a reference to Aragorn who as a Ranger wandered all over in his duties. The poem is about Aragorn ushering in the 4th age. So I'm not sure there are deep lessons here.