Where execution is dominant, as it is in the individual events of a war whether great or small, then intellectual factors are reduced to a minimum. - Carl von Clausewitz

A people can value nothing more highly than the dignity and liberty of its existence, that it must defend these to the last drop of its blood, so there is no higher duty to fulfil, no higher law to obey, that the shameful blood of cowardly submission can never be erased, that this drop of poisoning in the blood of a nation is passed on to posterity, crippling and eroding the strength of future generations.

To introduce into the philosophy of war itself a principle of moderation would be an absurdity.

The moral elements are among the most important in war. They constitute the spirit that permeates war as a whole, and at an early stage they establish a close affinity with the will that moves and leads a whole mass of force, practically merging with it, since the will is itself a moral quantity. Unfortunately they will not yield to academic wisdom. They cannot be classified or counted. They have to be seen or felt. … It is paltry philosophy if in the old-fashioned way one lays down rules and principles in total disregard of moral values. As soon as these appear one regards them as exceptions, which gives them a certain scientific status, and thus makes them into rules. Or again one may appeal to genius, which is above all rules; which amounts to admitting that rules are not only made for idiots, but are idiotic in themselves.