According to the provided text, what is the role of the Guru in revealing spiritual truths?

According to the insights from Chapter 18, the Guru plays a pivotal role in making unperceivable spiritual truths accessible to devotees. The chapter states that the Guru can effortlessly point out the 'Unperceivable One,' whom the Vedas and Shrutis debate day and night, with a mere finger. This suggests that the Guru simplifies complex spiritual concepts for their followers. Furthermore, the text mentions that the Guru shows the true path through instruction tailored to each person's worthiness, doing so without creating intellectual conflict, making profound knowledge understandable.