Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately represent the tweeter's mental state.
Tweet: #ArchangelSummit @sethgodin  Anyone can be brave but you just have to last 5 mins longer than everyone else. #leadership
This tweet contains emotions: 
anticipation, joy, optimism, trust