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: Don't let fear hold you back from being who you want to be. Use it's power to push you towards your goals. No more fear, just action. #fear
This tweet contains emotions: 
fear, optimism