They are an excellent summary of the principles for leaders. A leader shouldn't get too distant from the people and he must love them . Believe in what he does. You can't lead with conviction and confidence if you don't believe it yourself. Possess a passion.
People know when a leader is consumed with a passion.
They also know when he is not. Be able to cast vision. A vision should be simple but obvious and shared. Without it, people perish. Be able to see the big picture.