If there is any one secret of effectiveness, it is concentration. Effective executives do first things first and they do one thing at a time.
Peter DruckerSystematic decision review also shows executives their own weaknesses, particularly the areas in which they are simply incompetent. In these areas, smart executives don't make decisions or take actions. They delegate.
Peter DruckerKnowledge is being applied to knowledge itself. It is now fast becoming the one factor in production, sidelining both capital and labour.
Peter Drucker