If something fails despite being carefully planned, carefully designed, and conscientiously executed, that failure often bespeaks underlying change and, with it, opportunity.
Peter DruckerWhat is the major problem? It is fundamentally the confusion between effectiveness and efficiency that stands between doing the right things and doing things right. There is surely nothing quite so useless as doing with great efficiency what should not be done at all.
Peter DruckerWe can say with certainty - or 90% probability - that the new industries that are about to be born will have nothing to do with information.
Peter Drucker