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 AuthorEleanor Roosevelt F. H. Bradley Laurence J. Peter Prem Rawat Yehuda BergRelated TopicHappiness Mind Duty