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: So is cheerfulness, or a good temper, the more it is spent, the more remains. Ralph Waldo Emerson
This tweet contains emotions: 
joy, optimism, trust