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