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.
“As a teenager, even as a younger girl, I had some depression but no one really noticed that it was depression nor did I know in those days that that's what it was but I did feel different from other people.”
“I knew I couldn't solve it. Because I couldn't figure out what made her drink when things were going well.”