Get the Summary of Matt Ridley’s The Rational Optimist in 20 minutes. Please note: This is a summary & not the original book. In The Rational Optimist (2010), Matt Ridley argues that human progress is advanced by cultural evolution and that, contrary to general attitudes, optimism is the way into the future. Pessimists insist that humanity is regressing and the future looks bleak. However, life is factually increasing in quality: innovation is reaching new heights, poverty is declining globally, living conditions are improving, mortality is decreasing, and economic prosperity is flourishing...