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: @mar_de_palabras But I do think we need to experience a bit madness &amp; despair too. This is the stuff that makes us human.
This tweet contains emotions: 
optimism