Please analyze the tweet "Think like a queen. A queen is not afraid to fail. Failure is another steppingstone to greatness. Oprah Winfrey" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
joy, optimism, trust