You have to check each word of your papers, speech, etc. If you want to use quote, it is also important to leave source of it. There are a lot of examples in history, when famous persons were cached in using plagiarized material. We prepared this infographic whit the most controversial plagiarism issues in history. Here are really famous names like Martin Luther King or TS Elliot. Check out this facts and be ready to proofread your paper before you will publish it!
Infographic by: www.plagerismchecker.net