"It is a simple but essential principle: education aims at the future, at a time that we as educators do not yet know and cannot foresee. The challenges that will confront the children in the future are not those of the past--of our past, of our life story and our horizon. Times change, so do the realities of life, and in our times they change quickly and dramatically. Education aims at the future and that puts us as educators in a difficult situation:...