What does Chapter 21 say about the qualities of a proper listener and the power of spiritual narration?

In its opening verses, Chapter 21 emphasizes the dynamic relationship between a speaker and a listener in the context of spiritual stories. It posits that a speaker's words are in vain if the listener does not emotionally engage. According to the text, a successful narration is one where the listeners are delighted, their hair stands on end, their throat chokes up with emotion, and tears of love and joy flow from their eyes. Chapter 21 suggests that narrations that fail to evoke this deep, physical, and emotional response are considered futile, highlighting the transformative power that sacred stories are meant to have on an attentive and receptive soul.