*[http://www.guardian.co.uk/lifeandstyle/2010/sep/11/pain-gain-work-ethic-burkeman This column will change your life: The Protestant work ethic] - ''The Guardian'', published in 2010 | *[http://www.guardian.co.uk/lifeandstyle/2010/sep/11/pain-gain-work-ethic-burkeman This column will change your life: The Protestant work ethic] - ''The Guardian'', published in 2010 |