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: I have learned over the years that when one's mind is made up, this diminishes fear. –Rosa Parks #quotes #motivation
This tweet contains emotions: 
optimism, trust