Instead of such holistic engineering, Popper argued for a gradual approach, an effort to improve incrementally the institutions, mechanisms and techniques of human coexistence, to improve them by remaining constantly in touch with life and constantly enriching our experience. Improvements and changes must be made according to whatever has proved to be good, practical, desirable and meaningful, without the arrogant presumption that we have understood everything about this world, and thus know everything there is to know about how to change it for the better.
