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: Epicurus~ The man least dependent upon the morrow goes to meet the morrow most cheerfully.
This tweet contains emotions: 
joy, optimism