The quote emphasizes the importance of keeping certain insights and strategies to oneself, likening this idea to the game of chess. By not disclosing the reasons behind one's actions, an individual can maintain a competitive edge, allowing them to navigate challenges more effectively. This notion underscores the value of discretion and the strength found in holding back information that could be advantageous later on.

In the context of the book "The Joy Luck Club," the wisdom gained from experiences, whether in chess or life, can be crucial. The game’s strategic nature mirrors interpersonal relationships, where understanding and keeping some thoughts private can lead to richer connections and a deeper understanding of dynamics within a group. It suggests that some knowledge is best kept as a personal asset.