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: Think like a queen. A queen is not afraid to fail. Failure is another steppingstone to greatness. Oprah Winfrey
This tweet contains emotions: 
joy, optimism, trust