Stories Told by Dharma Master Cheng Yen - The Old Man Who Was Forsaken by His Son (證嚴法師說故事-治不孝兒的方法) 

Having encountered an elderly man who had been forsaken by his son and had to beg on the streets, the Buddha taught him to chant a verse every day. What happened after the old man did what the Buddha said?
佛陀得知一位老人被兒子趕出家門，必須靠行乞過生活，於是教他日日念誦一段經文。老人照著佛陀說的做了以後，發生了什麼事呢？