阅读短文，判断句子正误。

Confucius was born in Shandong. When he was 3 years old, his father died. His mother gave him good education(教育). He studied hard and became a teacher when he was about 30 years old. He had more than three thousand students. He wrote lots of books. And he lived to be 72. He is well known(有名的) all over the world.