American painter Edward Hopper is well-known for his portrayals of contemporary rural and urban life. His art frequently reflected the emotions and silent moments that underlie day-to-day life. The relationship between an artist's inner world and their creative output was one of the main concepts he highlighted.

Great art, in Hopper's opinion, reflects how profoundly an artist sees and feels the world around them rather than just what our eyes can see. Consider it like a musician playing an instrument; the notes they decide to play are influenced by their soul's deep resonance as well as music theory and technical proficiency.

According to this theory, we see more than just colors and shapes when we gaze at a work of art, be it a painting, sculpture, or photograph. We're getting a peek of the artist's thoughts and feelings about life, as well as a window into their heart. As a reflection of his own inner world, Hopper was renowned for his lonesome scenes that addressed solitude, reflection, and silent introspection.

By emphasizing this link between an artist's inner life and their artistic expression, Hopper implies that the most powerful works of art are not merely replicas of previous works but rather original visions influenced by distinct viewpoints. Great art arises from these intensely personal perspectives, just as every individual sees and interprets the world differently because of their unique experiences and emotions.

Essentially, Hopper's perspective pushes us to see past an artwork's aesthetic appeal or technical mastery and instead pursue its emotional depth, an investigation that can be as fulfilling for the observer as it is necessary for the artist.