Please analyze the tweet "Not written for African-American\n\nNo refuge could save the hireling and slave\nFrom the terror of flight or the gloom of the grave," and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
pessimism, sadness