[{'from': 'human', 'value': 'Who said that the arc of history is long, but it trends toward justice?'}, {'from': 'gpt', 'value': '"The arc of the moral universe is long, but it bends toward justice" is a famous quote from the late Martin Luther King, Jr. It reminds us that while change can take a long time, it does happen.'}, {'from': 'human', 'value': 'Thank you, interesting thought'}, {'from': 'gpt', 'value': "You're welcome! It's a powerful and inspiring idea that has been used to motivate many people to work towards a more just and equal world. Is there anything else I can help you with?"}, {'from': 'human', 'value': 'What are other famous quotes from Martin Luther King, Jr?'}]