Task: Determine the emotional state reflected in the tweet, categorizing it as 'neutral or no emotion' or as one or more of the specific emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best characterize the emotional tone.
Tweet: My head is bloody, but unbowed. \nI front unfeared the threat of space \nAnd dwindle into dark again.
This tweet contains emotions: 