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: We need but little learning to live happily - Michel de Montaigne #quote #philosophy #wisdom #wisewords #mentalhealth #psychology #anxiety
This tweet contains emotions: 
fear, optimism, sadness