From the tweet "The man who is a pessimist before 48 knows too much; if he is an optimist after it, he knows too little.'\n-Mark Twain", identify which emotions are conveyed. Choose from anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, and trust. If no emotions are evident, respond with "neutral or no emotion".
optimism, pessimism, trust