J.W. Gardner was quoted as saying "The judgment one makes of a leader must be multidimensional, taking into consideration great strength, streaks of mediocrity, and perhaps great flaws. If the great s

J.W. Gardner was quoted as saying "The judgment one makes of a leader must be multidimensional, taking into consideration great strength, streaks of mediocrity, and perhaps great flaws. If the great strength corresponds to the need of a critical moment in history, the flaws are forgiven and simply provide texture to the biographies"...  Please discuss the following:

How does Gardner's statement relate to Zenger and Folkman's theories regarding leaders developing 3-5 key leadership strengths and not focusing on improving their weaknesses unless they are critical to their current or future position or one of the "Fatal Flaws".

Need 400 words，need quote from The extraordinary leader: Turning good managers into great leaders. Of concept in book