Can you elaborate on Sai Baba's imperceptible movements and his ability to alter his form as mentioned in Chapter 10?

Chapter 10 provides fascinating details about Sai Baba's subtle and imperceptible nature, which points to his omniscience and mastery over the physical realm. His movements were so discreet that no one could ever perceive when he got on or off the narrow plank he slept on. This is attributed to his Great Siddhis, or divine powers. The chapter explains that the Master of 'Anima' (the power to become minute) can hide easily, even in a tiny particle. It further illustrates this by stating that Baba’s movements were easy and unnoticeable in the forms of flies, insects, or ants, showcasing his complete mastery over his physical form and presence.