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: Sometimes the best motivations come from 'proving them wrong' #energy #relentless #MotivationalQuotes
This tweet contains emotions: 
fear, optimism