You must never underestimate the power of Posted on October 21, 2016October 21, 2011 by admin “You must never underestimate the power of the eyebrow.” — Jack Black Author: Jack Black Category: power Tags: power, Jack Black Spread the love Related posts: Too many problem-solving sessions become battlegrounds where All the lessons of history in four Power is not an institution, and not Well, I think, by definition, all power