When you take stuff from one writer it's plagiarism; but when you take it from many writers, it's research
If you engage in plagiarism then you are copying the work of someone else and then trying to pass it off as your own. There are plagiarism quotes which show this deception is usually found out even if it is not discovered for many years. If you commit plagiarism then there are serious consequences that you could face. These could include getting a failing grade, being suspended or expelled from school or fired from your job, or even being sued by the legitimate author of the work that you copied and said was yours. There are search tools on the Internet that can help teachers, employers, and others detect plagiarism much of the time. Some of these are free to use and they do not require any downloads onto your system.