Classify the emotions found in the tweet "Use your smile to change the world. Don't let the world change your smile.' #quote #actorslife  #love #hardworkpaysoff #fun". Select from the following: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If the tweet is emotionless, reply "neutral or no emotion".
joy, love, optimism