To create something brand new is difficult. There is a well-known saying that everything was already created and the “new” only imitates existing patterns.
The Latin phrase ‘Ignorantia non est argumentum’ means ignorance of the law is not an argument. If you know nothing about plagiarism and how to avoid it, do not be surprised when you are caught and punished. After educators check work for plagiarism, sanctions against violators may vary from verbal reprimand to expulsion – you never can tell what kind of punishment awaits you.