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: Never fear the want of business. A man who qualifies himself well for his calling, never fails of employment.
This tweet contains emotions: 
fear, optimism