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: O you who have believed, fear Allah and believe in His Messenger; He will [then] give you a double portion of His mercy...' (Quran 57:28)
This tweet contains emotions: 
love, trust