How do you use the aspects of failure in your last lesson or aspects of failure in your performance during the last term/session, to plan future lessons?
Some people don't believe in reflecting, can these people improve on their practice to become outstanding?
Without failure can one attain an 'outstanding' level of performance?

http://www.forbes.com/sites/travisbradberry/2016/04/12/8-ways-smart-people-use-failure-to-their-advantage/