Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: “We can easily #forgive a #child who is #afraid of the #dark; the real #tragedy of #life is when #men are #afraid of the #light.”–Plato
This tweet contains emotions: 
optimism