With episode four of his current series, "The Path Is Made By Walking," Ronnie observes that Jesus challenged his fellow travelers on the Emmaus Road to do something almost impossible: To throw out what they had believed previously, and look at life, faith, and reality with a completely different point of view. He was invited them to change their minds - something so few of us are willing to do. 

(For the opening reference, the rabbit/duck image, see: https://www.ualberta.ca/science/news/2018/march/optical-illusion-gives-insight-into-how-we-perceive-the-world.html )