Task: Analyze the tweet's emotional connotations 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 best portray the tweeter's mental state.
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