No research without action, no action without research.

- Kurt Lewin

There is nothing so practical as a good theory.

- Kurt Lewin

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

- Kurt Lewin

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

- Kurt Lewin

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

- Kurt Lewin

Learning is more effective when it is an active rather than a passive process.

- Kurt Lewin

Social action, just like physical action, is steered by perception.

- Kurt Lewin

Fortunately I experienced Max Wertheimer's teaching in Berlin and collaborated for over a decade with Wolfgang Köhler. I need not emphasize my debts …

- Kurt Lewin

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

- Kurt Lewin