Firstly, a citadel has a pillar with deep foundations, firmly embedded, imperturbable and unshakable. This is the first essential with which a king’s frontier citadel is well provided, to defend those within and repel those outside.

Furthermore, a citadel has a moat that is deep and wide. This is the second essential …

Furthermore, a citadel has a patrol path that is high and wide. This is the third essential …

Furthermore, a citadel has stores of many weapons, both projectile and hand-held. This is the fourth essential …

Furthermore, many kinds of armed forces reside in a citadel, such as elephant marshals, cavalry, charioteers, archers, bannermen, adjutants, food servers, warrior-chiefs, princes, chargers, great warriors, heroes, leather-clad soldiers, and sons of bondservants. This is the fifth essential …

Furthermore, a citadel has a gatekeeper who is astute, competent, and intelligent. He keeps strangers out and lets known people in. This is the sixth essential …