Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
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