What does Chapter 38 say about the importance of food donation (Annadan)?

According to Chapter 38, food donation, or Annadan, is the highest form of charity and the foremost among all deeds, especially in the Kali age. The text states that while other ages had different primary duties—Penance in Krita, Knowledge in Treta, and Sacrifice in Dvapara—charity is paramount now. The chapter elevates food donation above all other forms, explaining that 'Food is the form of Para-Brahman (the Supreme Reality); from it, all beings are born.' It posits that satisfying a guest with food is a householder's duty and that turning someone away hungry invites downfall. As Chapter 38 explains, even Sai Baba followed this worldly custom of feeding people, underscoring the profound spiritual merit of Annadan.