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: #Worry never robs tomorrow of its #sorrow; it only saps today of its #strength - A. J. Crown #faith #positive #motivation
This tweet contains emotions: 
joy, optimism, pessimism, sadness