Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: Very important thing for today: \n\nDo not #bully yourself with #100DaysOfCode \n\nBelieve me, It ruins fun!
This tweet contains emotions: 
sadness