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: Confiaejce comes not from always being right but from not fearing to be wrong.-Peter T. Mcintyre
This tweet contains emotions: 
fear, optimism