Tertullian was a smart person who lived a long time ago and wrote a lot of important things about God and religion. He lived in a time when many people believed in different gods and had different religious beliefs. Tertullian believed in one God and wrote about how important it was to follow His teachings. Tertullian wrote a lot of books and letters that were very influential in the early Christian church. He was also a very passionate person and sometimes said things that upset other people. Despite this, his writings are still studied and talked about today.