This is formulated by Carl Rogers (1902 - 1987) and according to him actualising tendency is the inherent tendency of the organism to develop all its capacities in ways which serve to maintain or enhance the organism. It is the single "force of life", the built-in motivation in every life form to develop to their full potential. Rogers believes that all creatures strive to make the very best of their existence. Society and culture are natural byproducts of the actualizing tendency
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