Advertisement Peter Drucker Austrian American consultant, educator, and author (1909-2005) Quotes By Peter Drucker Love The most important thing in communication is hearing what isn't said. Peter Drucker Read more Advertisement Featured Image Credit: George Rose/Getty Images Advertisement recommended articles The Wise Words of Abraham Lincoln 13 Motivating Quotes for When You’re Feeling Overwhelmed 13 Funny Quotes for Anyone Who Loves (or Hates) Shopping 14 Quotes To Start Your Morning on the Right Note 10 Quotes To Help You Embrace Getting Older Wise and Insightful Quotes From People Born in December Advertisement