Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: A #teacher who is attempting to teach without #inspiring the #pupil with a #desire to learn is hammering cold iron. #HoraceMann
This tweet contains emotions: 
optimism