The quote "Better the devil you can live with than one you don't know," from Robert Ludlum's "The Matarese Countdown," suggests that it is often preferable to deal with a known negative situation rather than face the uncertainty of an unknown one. This highlights the importance of understanding and managing risks instead of jumping into the unknown which could lead to worse outcomes.

This perspective can be applied in various life situations, such as in relationships, career choices, or personal dilemmas. By accepting a familiar challenge, individuals may find it easier to navigate difficulties rather than risking the potential chaos that comes from unexplored and unpredictable circumstances.