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: Like keep grinding boy your life can change in one year, and even when it's dark out the sun is shining somewhere...'
This tweet contains emotions: 
optimism