Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately represent the tweeter's mental state.
Tweet: If I were assured of your eventual destruction I would, in the interests of the public, cheerfully accept my own.' Sherlock Holmes
This tweet contains emotions: 
optimism