Moroni works ceaselessly in the time frame around 72 BC to improve the fortifications of the cities, knowing that the enemy forces under Amalickiah will stop at nothing to achieve their evil designs. Can we take an example from this? There is a war going on for the souls of men. If we are to defend ourselves against the adversary, it is requisite that we avoid and overcome temptation (see 1 Nephi 15:24; 3 Nephi 18:18) and teach our families to do the same.