Please analyze the 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" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
joy, optimism