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 14 Quotes To Start Your Morning on the Right Note The Best Jokes and Quotes From Steve Martin Revitalizing Quotes for When You’re Feeling Drained 14 Quotes To Celebrate Aquarians Reassuring Quotes To Beat the Winter Blues 17 Quotes Capricorns Will Love Advertisement