Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: A cheerful heart is good medicine, but a broken spirit saps a person's strength.' {Proverbs 17:22} #WednesdayWisdom
This tweet contains emotions: 
joy, optimism