"I try as best I can to enter the realm of nuances of human behavior"

This quote by Robert Ludlum speaks to the complexity of human behavior and the trouble of understanding it. He is recommending that he is attempting to comprehend the subtle differences in how individuals act and respond in various scenarios. He is trying to comprehend the subtleties of human habits, which can be challenging to do. He is acknowledging that it is a challenge to comprehend the complexities of human habits, but he is doing his best to attempt. He is suggesting that it is important to try to comprehend the nuances of human habits in order to much better comprehend individuals and their motivations. By doing so, we can better comprehend how to interact with them and how to much better serve them. Ultimately, this quote speaks to the value of comprehending the intricacies of human habits in order to better comprehend and serve others.