Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: Keep in mind. We're all weak. Don't insult people just because they're human.
This tweet contains emotions: 
anger, disgust, optimism, sadness