Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given 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