Reason is a gift for human prosperity. The law is its expression as practised ethics, the measure for each individual, for peace, prosperity and the common good, shaping and supporting an entrepreneurial culture of responsibility (Verantwortungskultur). Everybody, being a trustee of their world, is required to make use of their responsibility. Immanuel Kant classically describes the categorical imperative: Act according to the maxim that you would wish all other rational people to follow, as if it were a universal law. Albert Schweitzer, in his search of self-perfection, takes this as the human principle of the veneration of life (veneratio vitae): I am life that wants to live, in the midst of life that wants to live. The ethical idea of reason for peace. Basically, it is about the search for reasonableness (Vernünftigkeit, Greek phrónesis), for global justice, as undertaken as a whole with the human corporation (culture of responsibility, see 1.1 and 6.1.2 ).