Based on the provided text, what is the path to achieving contentment of the heart?

The text suggests a clear path to finding inner contentment. According to Chapter 24, true contentment of the heart is achieved through meditation on one's true self. This practice, along with the worship of Maharaja Sai, is described as the way to achieve both worldly interests and the supreme spiritual goal, or Parmartha. The text emphasizes that this focus on the self is key to bringing peace and satisfaction to one's heart, leading to a state of supreme bliss.