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: The object of literature is to make man a wiser and happier being. The poet makes us happy because he tells us how we may become so.
This tweet contains emotions: 
joy, optimism, trust