"War... is merely an idea, an institution, like dueling or slavery, that has been grafted onto human existence. It is not a trick of fate, a thunderbolt from hell, a natural calamity, or a desperate plot contrivance dreamed up by some sadistic puppeteer on high. And it seems to me that the institution is in pronounced decline, abandoned as attitudes toward it have changed, roughly following the pattern by which the ancient and formidable institution...