Mackenzie had tried for several years to interest publishers in what would become his first and most famous work, "The Man of Feeling", but they rejected it. Finally, Mackenzie published it anonymously in 1771, but to instant success. The "Man of Feeling" is a weak creature, dominated by futile benevolence, who goes up to London and falls into the hands of those who exploit his innocence. The sentimental key in the book shows the author's acquaintance with Sterne and Richardson, but in Sir Walter Scott's summary assessment, his work lacked the story construction, humour and character of those writers.