Input (grade 13): He declared that art existed only to communicate a spiritual message, and nothing more; hence his frustration at the fame he gained by his commercial art, when he most wanted to concentrate on more artistic projects.
Output (grade 10): He declared that art existed only to communicate a spiritual message, and nothing more. He was frustrated at the fame he gained through commercial art, when he most wanted to concentrate on more lofty projects that would ennoble art and his birthplace.