Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: We fear not the truth, even if it be gloomy, but its counterfeit.- Berl Katznelson
This tweet contains emotions: 
anticipation, optimism