Can you explain the story of why Sai Baba started grinding wheat in the mosque? It seems like a strange activity for a saint.

The story of Sai Baba grinding wheat is a profound illustration of his divine plays. As detailed in Chapter 1, Baba, a detached saint with no possessions, unexpectedly sat down at a grinding stone in the mosque and began grinding wheat by himself. This caused great wonder among the villagers. Soon, four women rushed in, took the handle from him, and began grinding while singing his praises. After they had ground a measure of wheat, their minds turned to greed, speculating that he would give the flour to them. However, Baba, feigning anger, admonished them for their greed and ordered them to throw the flour on the village boundary, revealing that his actions had a much deeper, compassionate purpose than they could initially comprehend.