Task: Analyze the tweet's emotional connotations and classify 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 best portray the tweeter's mental state.
Tweet: Old saying 'A #smile shared is one gained for another day' @YEGlifer @Scott_McKeen
This tweet contains emotions: 
joy, optimism, trust