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: Carry on my wayward son, there'll be peace when you are done. Lay your weary head to rest. Don't you cry no more. #Supernatural
This tweet contains emotions: 
optimism