Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: #Never be #afraid to #start over, it's a #new #chance to #rebuild what you want! 🔨🔩🏢
This tweet contains emotions: 
optimism