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.
“In my mind, there are too many copycat web products out there that are doing the same thing.”
“We have a positive vision of the future founded on the belief that the gap between the promise and reality of America can one day be finally closed. We believe that.”