There was a legend in the ancient orient that someone might obtain the insight by hard anneal and self-cultivation, and the Bible also described that our human ancestors had suffered the original sin in order to understand the world. So it is obvious that people must undergo crucifixions before they may understand the real world, and this is similar true both in east and west cultures. However, only in our modern industrial society, the technology machine vision may bring a great extension and liberation to the function of human perception.