What does Baba teach about achieving purity of heart and finding inner peace?

According to the teachings found in Chapter 19, Sai Baba explains that the path to inner peace and true knowledge of the Soul is through meditation, or Dhyana. He advises that one should become free from all desires and meditate on the divine presence that resides within all beings. This practice of focusing on the Self is what ultimately brings peace to the mind. Baba emphasizes that his ways are unique and that keeping this core teaching in one's heart will be very beneficial for spiritual progress, leading to a state where the mind's yearning ceases and the true path is understood.