No research without action, no action without research.

There is nothing so practical as a good theory.

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.

Every psychological event depends upon the state of the person and at the same time on the environment, although their relative importance is different in different cases

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

Fortunately I experienced Max Wertheimer's teaching in Berlin and collaborated for over a decade with Wolfgang Köhler. I need not emphasize my debts to these outstanding personalities. The fundamental ideas of Gestalt theory are the foundation of all our investigations in the field of the will, of affection, and of the personality.