No research without action, no action without research.

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

There is nothing so practical as a good theory.

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

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

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

No research without action, no action without research.