Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: Failure is a part of success. You can't experience the joy of success with also experiencing failure. #bethehero #success #failure #joy
This tweet contains emotions: 
joy, optimism