Never mind your happiness do your duty- Peter DruckerHappiness Quotes ๐ Spread the love Never mind your happiness; do your duty. Peter Drucker Happiness Quotes Spread the love Explore Awesome ๐ Quotes By โ Peter DruckerRelated AuthorGustave Flaubert John Churton Collins Madalyn Murray O'Hair Soren Aabye Kierkegaard Stephen Richards CoveyRelated TopicHappiness Mind Duty