"Self-delusion" refers to the act of deceiving oneself or not accepting the truth about a situation or oneself. It is a state of misunderstanding or ignoring reality, often to protect one's ego or beliefs. Full definition
The file is an astounding example of self delusion and if you can think of a good place to put it, I'll try to upload it for others to read. (religion.blogs.cnn.com)
Religious people engage in self delusion out of fear of the unknown. (religion.blogs.cnn.com)