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: Very important thing for today: \n\nDo not #bully yourself with #100DaysOfCode \n\nBelieve me, It ruins fun!
This tweet contains emotions: 
sadness