Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
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