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: Old saying 'A #smile shared is one gained for another day' @YEGlifer @Scott_McKeen
This tweet contains emotions: 
joy, optimism, trust