What is the role and importance of the Guru as detailed in the philosophical section of Chapter 26?

In Chapter 26, the Guru is presented as absolutely essential for spiritual enlightenment. The text explicitly states that in the world, "only the Guru is capable of granting the knowledge of Truth to a disciple." The author prays to Baba, the Sadguru, to turn his intellect inward and grant him the ability to discriminate between the eternal and the temporary. The chapter emphasizes that true knowledge, which dispels the illusion of the material world, is received through the Guru's teachings, referred to as the Great Sayings (Mahavakyas). The author seeks unshakeable faith in the words of the Guru to overcome his own ignorance and false logic.