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 ask who's right. Start out by asking what is right. And you find that out by listening to dissenting, disagreeing opinions.

Effective leadership is not about making speeches or being liked; leadership is defined by results not attributes.

A person can perform only from strength. One cannot build performance on weakness, let alone on something one cannot do at all.

People who need certainty are unlikely to make good entrepreneurs.

Mother Teresa's numerical results were not her greatest contribution. Instead, she made the world-and especially India-conscious of compassion.

Every time you do something that is important, write down what you expect will happen.