In "Shogun" by James Clavell, the quote "It is not wise to notice another man's woman" reflects the complexities of honor and respect within relationships, especially in a feudal society. It suggests that acknowledging or expressing interest in someone else's partner can lead to conflict and disrupt social harmony. This principle underscores the importance of loyalty and boundary respect among individuals. The quote encapsulates the cultural dynamics at play in the story, where personal interactions are heavily influenced by societal norms and expectations. In this context, the protagonist must navigate not only his ambitions but also the delicate social fabric surrounding personal relationships, emphasizing how crucial it is to understand and adhere to these unwritten rules.