Quality means excellence. Work quality is doing the job excellently even when no one is supervising at you. Quality of products comes from design quality, process quality, human/work quality, and all related activities that influences quality including human activities and management system activities. The spectrum of knowledge domain within quality management (and surely will cut across quality engineering aspects) as shown in the illustration below is multifaceted and multidimensional. Achieving quality is definitely not easy, and requires commitment, perseverance, and continuous effort
Quality From Classroom to Our Life 