|
The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from The Art of War by Sun Tzu: to turrets on city walls. Of the "movable shelters" we get a
fairly clear description from several commentators. They were
wooden missile-proof structures on four wheels, propelled from
within, covered over with raw hides, and used in sieges to convey
parties of men to and from the walls, for the purpose of filling
up the encircling moat with earth. Tu Mu adds that they are now
called "wooden donkeys."]
and the piling up of mounds over against the walls will take
three months more.
[These were great mounds or ramparts of earth heaped up to
the level of the enemy's walls in order to discover the weak
The Art of War | 
