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: “Be #positive, #cheerful, #grateful and expectant.” @NightingaleEarl  #Success #Leadership
This tweet contains emotions: 
joy, optimism