Why does Rene Magritte paint silver balls in his work and what are they and what do they mean?

René Magritte often used silver balls in his paintings as symbolic objects that challenge perception and reality. These spheres can represent the mystery of existence, the nature of objects, and the interplay between the familiar and the surreal. By incorporating them into his works, Magritte invites viewers to question their assumptions about the world and the meanings behind everyday objects. Ultimately, the silver balls serve as a catalyst for exploring deeper philosophical themes, such as identity and the nature of art itself.