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: A cheerful heart is good medicine, but a crushed spirit dries up the bones -Proverbs 17:22-
This tweet contains emotions: 
joy, optimism