Wow… that was a really inspiring clip. I think we have many teachers here who tries their very best to help their pupils to progress in their studies and understanding. Maybe their pupils do not got As or even Bs but a failure to a pass is a great achievement to some pupils. This is always a moral booster to the kid. We should always celebrate these achievements too.

As Bryan mentioned, his Calculus teacher helped him to build his self-confidence and that little act of hers managed to change his life.