Leaders are people who do the right thing: managers are people who do things right. Both roles are crucial, but they differ profoundly. I often observe people in top positions doing wrong things well.
Warren G. BennisLeadership (according to John Sculley) revolves around vision, ideas, direction, and has more to do with inspiring people as to direction and goals than with day-to-day implementation. A leader must be able to leverage more than his own capabilities. He must be capable of inspiring other people to do things without actually sitting on top of them with a checklist.
Warren G. BennisLeaders must encourage their organizations to dance to forms of music yet to be heard.
Warren G. BennisLeading with character gives the wise leader clear-cut advantages. They are easier to trust and follow; they honor commitments and promises; their words and behavior match; they are always engaged in and by the world; they are open to "reflective backtalk": they can speak with conviction because they believe in what they are saying...and everyone else knows that. They are comfortable in their own skin. They feel at ease in the spotlight and they enjoy it there. They tend to be more receptive to opportunity and risk.
Warren G. Bennis