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: and I think some of our most spiritually weighty experiences came, counterintuitively and recognized in hindsight, in levity and daily grace
This tweet contains emotions: 
joy, optimism