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: Tonight my top delight was a Skein of Geese flying about 1 foot above me as I swam in #Windermere. Breeze dropped &amp; it became like glass.
This tweet contains emotions: 
joy, optimism, trust