How do the practices of giving Udi and asking for Dakshina represent the principles of renunciation and discrimination?

Chapter 33 explains the powerful synergy between Udi and Dakshina as the pairing of discrimination and renunciation. Giving Dakshina at a sacred place is described as the first step to cultivate a tendency toward renunciation. However, the text emphasizes that renunciation alone is insufficient and will "come to nothing" if it is not accompanied by discrimination. This is where Udi, also called Vibhuti, plays its crucial role, representing the vital principle of discrimination. The chapter states that this combination of Vibhuti (Udi) and Dakshina is what makes the crossing of the "river of worldly existence" possible, highlighting that both are essential for true spiritual progress.