I suppose it is tempting, if the only tool you have is a hammer, to treat everything as if it were a nail.

If you only have a hammer, you tend to see every problem as a nail.

It isn't normal to know what we want. It is a rare and difficult psychological achievement.

This Third Psychology is now one facet of a new philosophy of life, a new conception of man, the beginning of a new century of work.

The science of psychology has been far more successful on the negative than on the positive side... It has revealed to us much about man's shortcomings, his illnesses, his sins, but little about his potentialities, his virtues, his achievable aspirations, or his psychological health.

Good psychology should include all the methodological techniques, without having loyalty to one method, one idea, or one person.