Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Always be full of joy in the Lord, I say it again- rejoice. Philippians 4:4
This tweet contains emotions: 
joy, optimism