Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Df not be afraid to take a chance on peace, to teach peace, to live peace.Peace will be the last wordvof history Pope John Paul II
This tweet contains emotions: 
joy, love, optimism, trust