Think, for a moment, about his early life. How often did he see his mother prepare leavened bread by taking a piece of fermented dough saved from a previous baking and using it as a leavening agent?
उसने अकसर देखा होगा कि उसकी माँ पिछली बार के गूँधे आटे से थोड़ा आटा लेकर उसे खमीर की तरह इस्तेमाल करके खमीरी रोटी बनाती है ।