For 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", classify the emotional tone using the following list: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotion is discernible, state "neutral or no emotion".
optimism, pessimism, trust