Classify the emotions found in the tweet "When you realize there is #NoHopeForHumanity so you just #start focusing on what's #best for you.". Select from the following: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If the tweet is emotionless, reply "neutral or no emotion".
optimism, pessimism, sadness, trust