Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Use your smile to change the world. Don't let the world change your smile.' #quote #actorslife  #love #hardworkpaysoff #fun
This tweet contains emotions: 
joy, love, optimism