What are the "benefits of failure" according to rowling? why do you think she discusses these?

Failure strips away the inessential.  You learn and become strong from failure. Failure gives insecurities that you never attend by examinations. I teaches you things that you couldn’t have learned no other way. That way you are stronger and secure in your ability to survive.

Explanation:

She really says this in the video, You are Welcome

what gradee ya in so we can do it im 8th grade

                                                        -hannahsgachagal

                                                          (p.s thats my real you tube lol)

where is the poem at?