Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: An unchallenged present creates a complacent future. #TuesdayThought #selfimprovement #success #excitement
This tweet contains emotions: 
anticipation, joy, optimism, trust