Today, peace is rarely discussed. It is not taken seriously. At best, it is understood as an insignificant and marginal “by-product” of political and economic processes, or indeed an obstacle to these very processes. In a culture that normalises violence and warfare – against people, animals, plants and the entire planet – and in a culture of endless exploitation of resources, both organic and inorganic, of space and time, peace has become decentralised and delegitimised. Essentially, it is portrayed as an obstacle and hindrance to “freedom, democracy and progress”. For this reason, we invite you to pause and take time to look back into the past, to unsuccessful initiatives, potentially good solutions and failed implementations. Let us be humble before the suffering and destruction that have inadvertently shaped who we are today. Peace is always conditional. The demand for the unconditional nature of peace should be understood as a key element in creating a world worth living in. This book is a contribution to the quest for such a world.