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: “Set a goal to achieve something that's so big so exhilarating that excites you &amp; scares you at the same time.” \n― #BobProctor
This tweet contains emotions: 
fear, joy, optimism, trust