Book · 1917
The Science of Business
Being the Philosophy of Successful Human Activity Functioning in Business Building Or Constructive Salesmanship
Why people recommend it
Who recommended it
Other mentions (1: passing, ad reads, own books)
Own book
“and the second book I actually co-authored with Oprah Winfrey called build the life you want the Art and Science of getting happier which is this the basic straightup science of human happiness that I wanted to introduce to you know large groups of people”