The greatest discovery of my generation is that a human being can alter his life by altering his attitudes William James dhavalvadi 5 years ago The greatest discovery of my generation is that a human being can alter his life by altering his attitudes William James 1 The greatest discovery of my generation is that a human being can alter his life by altering his attitudes William James The greatest discovery of my generation is that a human being can alter his life by altering his attitudes William James