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 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