P.D. Ouspensky
Author: P.D. Ouspensky
Publisher: Vintage (1971)

All the absurdities of life depend on the fact that people do not understand that certain things can be done with only one kind of triad. They use a wrong triad, a wrong kind of action, and are surprised that the results are not what they wanted. For instance, it is no good trying to teach by beating, or trying to persuade with machine-guns. Find your own and better examples of the wrong use of triads and you will see that certain results can be obtained only by an appropriate action