There is a great need for a new approach, new methods and new tools in teaching, man's oldest and most reactionary craft. There is great need for a rapid increase in the productivity of learning. There is, above all, great need for methods that will make the teacher effective and multiply his or her efforts and competence. Teaching is, in fact, the only traditional craft in which we have not yet fashioned the tools that make an ordinary person capable of superior performance. In this respect, teaching is far behind medicine, where the tools first became available a century or more ago.

Never underrate the boss! The boss may look illiterate. He may look stupid. But there is no risk at all in overrating a boss. If you underrate him he will bitterly resent it or impute to you the deficiency in brains and knowledge you imputed to him.

Progress is obtained only by exploiting opportunities, not by solving problems. When you solve problems, all you do is guarantee a return to normalcy.

When a resource is scarce, you increase its yield.

If general perception changes from seeing the glass as 'half-full' to seeing it as 'half empty' there are major innovative opportunities.

The single most important thing to remember about any enterprise is that results exist only on the outside.The result of a business is a satisfied customer. The result of a hospital is a satisfied patient. The result of a school is a student who has learned something and puts it to work ten years later. Inside an enterprise there are only costs.

The most important work of the executive is to identify the changes that have already happened. The important thing . . . is to exploit the changes that have already occurred and to use them as opportunities.