Fyodor Dostoyevsky said this quote
“ Oh literature is a wonderful thing, Varenka, a very wonderful thing: I discovered that from being with those people the day before yesterday. It is a profound thing. It strengthens people’s hearts and instructs them,… Literature is a picture, or rather in a certain sense both a picture and a mirror; it is an expression of emotion, a subtle form of criticism, a didactic lesson and a document… ”