The predominance of moral factors in all military decisions. On them constantly turns the issue of war and battle. In the history of war they form the more constant factors, changing only in degree, whereas the physical factors are different in almost every war and every military situation.
B. H. Liddell HartIf you find your opponent in a strong position costly to force, you should leave him a line of retreat as the quickest way of loosening his resistance. It should, equally, be a principle of policy, especially in war, to provide your opponent with a ladder by which he can climb down.
B. H. Liddell HartIt should be the aim of grand strategy to discover and pierce the Achilles' heel of the opposing government's power to make war. Strategy, in turn, should seek to penetrate a joint in the harness of the opposing forces. To apply one's strength where the opponent is strong weakens oneself disproportionately to the effect attained. To strike with strong effect, one must strike at weakness.
B. H. Liddell HartThe principle of compulsory service, embodied in the system of conscription, lias been the means by which modem dictators and military gangs have shackled their people after a coup d'รฉtat, and bound them to their own aggressive purposes. In view of the great service that conscription has rendered to tyranny and war, it is fundamentally shortsighted for any liberty-loving and peace-desiring peoples to maintain it as an imagined safeguard, lest they become the victims of the monster they have helped to preserve.
B. H. Liddell Hart