why is literature the criticism of life?

What does your reading assignment say?

No I did not read it but I will now thank you.

do you agree or disagree with Matthew Arnold's view that literature is the criticism of life

Your teacher wants YOUR opinion, not mine.

well I do not even know much about this I looked it up and I wasn't getting much help. I did not ask for your opinion, I asked why literature is the criticism of life

Did you read Arnold's essay? What does he say in support of this topic?

I'll give you an assignment

Please answer me
"Literature is criticism of Life ". substantiate the statement.