Ideas improve. The meaning of words participates in the improvement. Plagiarism is necessary. Progress implies it. It embraces an author's phrase, makes use of his expressions, erases a false idea, and replaces it with the right idea.
“I like Chanel and Yves Saint Laurent. I have some great Balenciaga jackets and I'm shoe crazy.”
“It seems there's a sliding scale between the money they spend on a movie and its creativity.”