The sensuous may be exceedingly distinct, while intellectual concepts are extremely confused. The former we observe in the prototype of sensuous know… - Immanuel Kant

War itself requires no particular motivation, but appears to be ingrained in human nature and is even valued as something noble; indeed, the desire for glory inspires men to it, even independently of selfish motives.

Young man! Deny yourself satisfaction (of amusement, of debauchery, of love, etc.), not with the Stoical intention of complete abstinence, but with the refined Epicurean intention of having in view an ever-growing pleasure. This stinginess with the cash of your vital urge makes you definitely richer through the postponement of pleasure, even if you should, for the most part, renounce the indulgence of it until the end of your life. The awareness of having pleasure under your control is, like everything idealistic, more fruitful and more abundant than everything that satisfies the sense through indulgence because it is thereby simultaneously consumed and consequently lost from the aggregate of totality.

Under a nonrepublican constitution, where subjects are not citizens, the easiest thing in the world to do is to declare war. Here the ruler is not a fellow citizen, but the nation's owner, and war does not affect his table, his hunt, his places of pleasure, his court festivals, and so on. Thus, he can decide to go to war for the most meaningless of reasons, as if it were a kind of pleasure party...