If general perception changes from seeing the glass as 'half-full' to seeing it as 'half empty' there are major innovative opportunities.
Peter DruckerThe leader of the past was a person who knew how to tell. The leader of the future will be a person who knows how to ask.
Peter DruckerMost Americans do not know what their strengths are. When you ask them, they look at you with a blank stare, or they respond in terms of subject knowledge, which is the wrong answer.
Peter Drucker