Integrity comes from the Greek words 'integritas' and 'integra' meaning whole. It enters into any aspect of one's life. It's belief system without faltering no matter how dangerous, how unpopular the person makes themselves to others. It includes: sincerity, keeping one's word and agreements, honesty, truthfulness, ethics, fairness and justice, punctuality and never faltering for what one believes in. A quote regarding integrity is 'It is better to have an enemy who keeps his word, than a friend who does not.'