What are the motifs in The Richest Man in Babylon by George Samuel Clason?

Determination is a recurring idea in the story. The principles laid forth in this book seem simple enough to follow. However, if one is to be successful and acquire great wealth then one must also possess a certain amount of determination. The principles are easy enough to understand but like several of the stories illustrate it takes time, patience, and perseverance in order to put them completely into practice.