"For riches are not forever, nor does a crown endure to all generations."
Wealth and power need to be tended, maintained, and cared for because they can go away.
Each of the ways that he mentions that wealth can be maintained is a renewable interest-bearing vehicle: grass; herbs of the mountains; lambs; goats; goats milk; field; maidens (employee)...
This is about retirement and leadership as well as financial management.
Notice the crown reference. This is a clear reference to the fact that a bad leader can mess up the use of power so much that he no longer has it or downstream a few years the next generation inherits a dysfunctional mess.
Until tomorrow,
Gil Stieglitz