Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: #Worry, #doubt, #fear and #despair are the enemies which slowly bring us down to the ground and turn us to dust before we die.
This tweet contains emotions: 
disgust, fear, optimism, sadness