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: Blessed are those who mourn, for they will be comforted \n                                              Mt 5:4
This tweet contains emotions: 
optimism