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 is so big, so exhilarating that it excites you and scares you at the same time.” \n― Bob Proctor
This tweet contains emotions: 
joy, optimism