Before getting into the grammar, which needs a lot of work, let's look at the content. Tou speak about your teacher very vaguely. You should use specific examples and narrative anecdotes so that we can see how important this teacher really was to you. For instance:
talked about certain author's life,
What author? What did you say about him/her?
classic Chinese even phenomena in society
Such as?
her determination taught me to concentrate in real practice and arrange my available time regularly.
As shown by?