The document discusses the importance of investing in human capital, especially early childhood development. It notes that jobs are changing due to new technologies so acquiring new skills is important. Early investments in health, education and social protection help lay strong foundations for children to develop cognitive and social skills needed for the future. Investing in human capital, such as through education, leads to higher individual earnings and economic growth for societies and countries. The best investment is in children's human capital as it provides returns for current and future generations.