God placed fear in the soul to preserve life and avoid dangers, so fear led to flight, then the feeling of danger led to caution, and caution led to the spread of civilization and the establishment of urbanization, then man was guided from fear to knowing God Almighty, so the beginning of wisdom was fear of God, for fear does not There is no animal or human in it. If fear is general in all human beings, this is because it is natural and necessary in order to be safe from dangers and avoid disasters. However, many people intensify it to the point of going beyond the usual limit, or frighten it so that it becomes a kind of disease and abnormality. Normal fear has sources and manifestations, while abnormal fear has causes, symptoms, and results. The boundaries must be drawn between normal and abnormal, so that we can prescribe the cure if we know the truth about the disease.