Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: Be quick to #listen, slow to #speak, and slow to #anger.
This tweet contains emotions: 
anger, joy, optimism, trust