Task: Evaluate the tweet for emotional cues 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 indicate the tweeter's state of mind.
Tweet: Don't ever grow weary doing good....Don't just see the headlines; look at the trend lines for hope.' @billclinton #CGI2016
This tweet contains emotions: 
optimism