Task: Analyze the tweet's emotional connotations 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 best portray the tweeter's mental state.
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