It is possible to fly without motors, Posted on April 12, 2018April 12, 2005 by admin “It is possible to fly without motors, but not without knowledge and skill.” — Wilbur Wright Author: Wilbur Wright Category: knowledge Tags: knowledge, Wilbur Wright Spread the love Related posts: Learning is acquired by reading books, but Wonder is the desire for knowledge. We must develop knowledge optimization initiatives to The current state of knowledge is a