If you want to learn about an organization, try to change it.

A successful individual typically sets his next goal somewhat, but not too much, above his last achievement.

If you want truly to understand something, try to change it.

The American culture ideal of the "self-made-man," of everyone "standing on his own feet" seemed as tragic a picture as the initiative-destroying dependence on a benevolent despot. He felt and perceived clearly that we all need continuous help from each other, and that this type of interdependence is the greatest challenge to maturity of individual and group functioning.

If you want to learn about an organization, try to change it.

The history of acceptance of new theories frequently shows the following steps: At first the new idea is treated as pure nonsense, not worth looking at. Then comes a time when a multitude of contradictory objections are raised, such as: the new theory is too fancy, or merely a new terminology; it is not fruitful, or simply wrong. Finally a state is reached when everyone seems to claim that he had always followed this theory. This usually marks the last state before general acceptance.

There is nothing so practical as a good theory.