Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the 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