How does Chapter 24 describe Sai Baba's use of humor as a teaching method?

According to Chapter 24, Sai Baba's use of humor was a profound and extraordinary teaching tool. The text explains that even through a simple joke, he would impress the essence of truth in a way that was beneficial to all. Unlike ordinary humor, which people might resent, devotees craved Baba's jokes and would eagerly await their turn to be the subject of his playful wit. The chapter highlights that his humor was not merely verbal but was enhanced by his gestures and acting, which ensured the purpose of the lesson was immediately achieved. The author of Chapter 24 characterizes Baba's method as effortless, novel, and natural, delivered with a smiling face and playful eyes, making the wisdom he imparted incredibly sweet and memorable.