After living with their dysfunctional behavior for so many years, people become invested in defending their dysfunctions rather than changing them.

Great leaders encourage leadership development. By openly developing themselves

Research indicates that the desire to achieve the skills associated with success is more highly correlated with achievement than the desire for success itself.

To help others develop, start with yourself.

The more we are committed to believing that something is true, the less likely we are to believe that its opposite is true, even in the face of clear evidence that shows we are wrong.

People will do something—including changing their behavior—only if it can be demonstrated that doing so is in their own best interests as defined by their own values.

After living with their dysfunctional behavior for so many years, people become invested in defending their dysfunctions rather than changing them.