How does the author logically connect the necessity of a Guru to the virtues of Shraddha and Saburi?

In Chapter 2, the author creates a logical bridge between the need for a Guru and the virtues of Shraddha and Saburi. He first establishes the universal need for a Guru by citing the examples of divine incarnations Rama and Krishna, concluding, "Without a Guru, there is no knowledge or spiritual goal." This establishes the foundational role of a guide. Immediately following this, he pivots to the disciple's required disposition, admonishing against debate and asserting that without faith (Shraddha) and patience (Saburi), no spiritual goal is achieved. The connection is implicit but strong: accepting a Guru requires Shraddha (faith in the Guru and their guidance), and following the path they lay out requires Saburi (patience to endure and persevere without argument). These virtues are the necessary counterparts to the Guru's guidance.