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: It is important to seek peace, even in the midst of a horrific war #CreateSyria  @intalert #TalkingPeace #buildingpeace
This tweet contains emotions: 
optimism