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: The point of living, and being an optimist, is to be foolish enough to believe the best is yet to come' - Peter Ustinov  #quote
This tweet contains emotions: 
optimism