What was the primary emphasis of heinz kohut's self-psychology?

The primary emphasis is that The formation of the self-concept and the crucial attributes of the self that allow one to progress toward health.
By acknowledging that we as individual, had the most control in our life rather than 'faith'  or other external factors, we could make various form of efforts in order to improve aspects in our life as a whole rather than witing for something to be changed on its own.