There is a parable in the bible about the good Samaritan. There was this man laying down on the road from Jerusalem to Jericho, and many people had passed by done noting at all, leaving this man helpless laying on the ground. Then, a Samaritan stooped his camel and saved him from his suffering situation.
What would you do in a similar situation? How would you react if you see one laying down on the road helpless? Would you help him or pass by? Before you rush to answer this question, watch this video with two experiments on the bystander effect...