Psychology between science and profession

Psychology is powerful science, with great knowledge deposited for understanding the individual (his development and pathological outcomes, behavior and predicting behavior in different situations), groups, historical flows and historical characters, cultural and civilisation changes, artistic and other creations. Psychology, as it becomes to the science of soul, has covered all areas of human spirit. Discreprancy between potential and power of psychology and her use (in the work of psychologists) author connects for positioning and realisation of psychology in university teachings. Whit the help of psychology we can, not just successes in life but we can also understand life itself. But, how many psychologists can contribute to that? Why is that so?