Acknowledging weakness doesn't make a leader less effective. On the contrary, in most cases it is simply a way of expressing that he understands what everyone else has known for some time. When you acknowledge your weaknesses to the rest of your team, it is never new information.
Andy StanleyPeople without clear vision are easily distracted, have a tendency to drift from one idea to another and often make foolish decisions that rob them of their dreams.
Andy Stanley