Task: Evaluate the tweet for emotional cues 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 indicate the tweeter's state of mind.
Tweet: “Don’t burn out; keep yourselves fueled and aflame. Be alert servants of the Master, cheerfully expectant.' Romans 12:11-12
This tweet contains emotions: 
joy, optimism, trust