Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: Theme of week: Ask the Lord for strength &amp; perspective to persevere in #integrity and effort, despite being #disheartened &amp; disappointed.
This tweet contains emotions: 
joy, optimism, sadness