What does cornelius multas epistulas scribit mean

Which cause-and-effect relationship in “broken chain” relates to the theme "by others, we ourselves"?

Imi puteti face o argumentare lirica pe de cate ori, iubito de mihai eminescu?

Plagiarism—illegally using other people's ideas—can be avoided by a. adding a bibliography. b. proper documentation. c. taking good notes. d. using online sources only.