Schopenhauer's Doctrine of the Thing-in-Itself and His Attempt to Relate It to the World of Phenomena is a book written by Stephen Sheldon Colvin in 1897. The book explores the philosophy of Arthur Schopenhauer, a German philosopher who believed that the world as we perceive it is merely a representation of the true reality, which he called the ""thing-in-itself."" Colvin delves into Schopenhauer's attempt to relate this concept to the world of phenomena,...