Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: Happy #internationaldayofpeace everyone hoping that the world becomes a better place less division more happiness keep smiling. 😄😄❤️
This tweet contains emotions: 
joy, love, optimism