“If you don't know where you're going, it doesn't matter where you arrive.” Peter Drucker By Özdeyiş.NetWords of the Day, Goal and Purpose Phrases, Personal Development Quotes, Picture Quotations0 comments ▶Dr. Tayfun Topaloğlu Youtube Instagram: @drtayfuntopaloglu “If you don't know where you're going, it doesn't matter where you arrive.” Peter Drucker