It is simply not true that war is solely a means to an end, nor do people necessarily fight in order to obtain this objective or that. In fact, the opposite is true: people very often take up one objective or another precisely in order that they may fight.
Martin Van CreveldThe problem is that you cannot prove yourself against someone who is much weaker than yourself. They are in a lose/lose situation. If you are strong and fighting the weak, then if you kill your opponent then you are a scoundrel... if you let him kill you, then you are an idiot. So here is a dilemma which others have suffered before us, and for which as far as I can see there is simply no escape.
Martin Van CreveldThe combination of professionalism and technology may also result in narrow-minded specialization more suited to a debating society than to an organization whose task it is to cope with, and indeed live in, the dangerous and uncertain environment of war.
Martin Van Creveld