Contempt for those who are base and mean. Military prowess exercised in service to your lord. Exceptional good-manners are required when dealing with ladies. All women are given respect, and are protected from harm, true ladies' requests cannot be denied. War is the flowering of chivalry.
War is the time when all the knightly virtues and beliefs come into play.
Battle is the test of manhood. Battles allow one to display true courage. Combat is glory. In conflict can one show one's panache and the purity of one's faith. Personal glory above all in battle.