I guess you are referring to the book from Ryan Holiday: "Ego is the Enemy". Definitely a good read, highly recommend for the start. https://www.amazon.com/dp/

I guess you are referring to the book from Ryan Holiday: "Ego is the Enemy". Definitely a good read, highly recommend for the start. https://www.amazon.com/dp/1591847818/ https://www.amazon.com/dp/1591847818/