“If you can't say it clearly and unequivocally, be quiet and keep working on it until you do.” Karl Popper By E-MotivasyonHardworking Words, Entrepreneurship Quotes0 comments ▶Dr. Tayfun Topaloğlu Youtube Instagram: @drtayfuntopaloglu “If you can't say it clearly and unequivocally, be quiet and keep working on it until you do.” Karl Popper