What does the Shri Sai Satcharitra say about the importance of 'shraddha' and 'saburi'?

The Shri Sai Satcharitra highlights 'shraddha' (faith) and 'saburi' (patience) as indispensable virtues for spiritual progress. In Chapter 2, after discussing the folly of debating and the absolute necessity of a Guru, the author Hemadpant distills a core teaching. He presents it as a firm scriptural truth that he experienced firsthand, stating, "Without faith (Shraddha) and patience (Saburi), Not a bit of the spiritual goal is achieved." This powerful statement positions these two qualities not merely as helpful aids, but as fundamental prerequisites for any spiritual attainment, underscoring their central role in a devotee's path as taught by Sai Baba.