In James Clavell's novel "Shōgun," the concept of enmity is addressed through the insight that an adversary often demonstrates heightened civility when plotting one's downfall. This paradoxical behavior suggests that politeness can be a facade, masking true intentions and malevolence.
The quote emphasizes the importance of vigilance, as the outward kindness shown by an enemy may be deceptive. It serves as a reminder that beneath a courteous demeanor, there may lie dangerous plans, urging one to remain cautious in interactions with those who hold animosity.