Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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