Something to get your brains working:
http://en.wikipedia.org/wiki/B.H._Liddell_Hart
http://en.wikipedia.org/wiki/B.H._Liddell_Hart
- Direct attacks against an enemy firmly in position almost never work and should never be attempted
- To defeat the enemy one must first upset his equilibrium, which is not accomplished by the main attack, but must be done before the main attack can succeed.
In strategy the longest way round is often the shortest way there; a direct approach to the object exhausts the attacker and hardens the resistance by compression, whereas an indirect approach loosens the defender's hold by upsetting his balance.
He also claimed that
The profoundest truth of war is that the issue of battle is usually decided in the minds of the opposing commanders, not in the bodies of their men.