"Watch alert of the Foighid" emphasizes the importance of patience and self-control, highlighting that true strength lies in remaining calm amid chaos. The phrase "Boware the Anger of A Patient Man" suggests that restraint and patience can prevent conflicts and lead to better outcomes.

In James Patterson's book "Cross," this theme is reflected in the character's ability to manage their emotions and approach situations thoughtfully. The message underscores the power of patience and the danger of allowing anger to dictate actions, promoting a more measured and wise response in difficult circumstances.