In this keynote address, the author explains why it is important to advance the right to lifelong learning and extend education throughout life. The author stresses that the continuing development of knowledge and skills within the adult population is one of the most strategic investments that societies must make today. Furthermore, this is an urgent investment, without which mankind will not have the internal resources to cope with the challenges ahead. Without an informed and internally strong civil society, bloody conflicts and other disasters become inevitable. The author points out that without spreading the freedom to learn and without strengthening the foundations of everyday diplomatic skills, the possibility of solving conflicts other than by bloody means becomes virtually inconceivable, regardless of the country. Adult education is an essential tool for peace.