For the tweet "'The point of living, and being an optimist, is to be foolish enough to believe the best is yet to come' - Peter Ustinov #optimism #quote", assess the intensity of the emotion joy. Choose one of the following: 0: no joy can be inferred, 1: low amount of joy can be inferred, 2: moderate amount of joy can be inferred, 3: high amount of joy can be inferred.