John was a police officer. He was on duty one evening when a car stopped outside the police station. An elderly man came out of the car and came over to him to request him for help. He wanted John to go over to the car and convince his son, who was a passenger, to take psychiatric help. A simple family matter, John thought, as he approached the car. As soon as he approached the car, the son opened the door of the car and came out. As John approached him, out of nowhere came a knife in his hand. The man lunged at John. Only for his police training, John could have died. He escaped with small injuries. The man was overpowered and taken to the psychiatric hospital under police escort. For John, life had changed. He started to have flashbacks of the incident. Two years later, he was still suffering with the images of the incident. Doctors said he had post-traumatic stress.

This is a negative example of imagery. But our mind appreciates the language of images and no other language. When we remember anything good or bad, the sounds, the smells, the colours, the feelings are remembered. As long as the image and the emotions remain in our memory, the incident remains alive in our mind and our body. If there are many incidents from our past that are negative in feeling, we tend to live in the present carrying their