Why does Chapter 23 advise against judging a saint by their external actions, like what they eat or how they behave?

Chapter 23 strongly cautions that one cannot understand the true state of a saint by observing their external characteristics or actions, as their inner reality is always beyond such superficial things. The chapter illustrates this with the story of the Yogi who doubted Sai Baba upon seeing him eat bread and onions. The Yogi's judgment, based on diet, created a strong misgiving that almost blocked him from receiving grace. Sai Baba's omniscience, however, revealed the Yogi's inner thoughts, proving that Baba's external actions did not define his divine capacity. This teaches that saints incarnate out of benevolence for the salvation of souls, and their ways are not to be judged by conventional standards.