Their general character is difficult to describe; made up of contrary and even contradictory qualities, they are indolent, tranquil, quiet, humane in peace; active, restless, cruel, ferocious in war: courteous, attentive, hospitable, and even polite, when kindly treated; haughty, stern, vindictive, when they are not; and their resentment is the more to be dreaded, as they hold it a point of honor to dissemble their sense of an injury till they find an opportunity to revenge it.