1. Science, Not Rule of Thumb:
In order to increase organisational efficiency, the ‘Rule of Thumb’ method should be substituted by the methods developed through scientific analysis of work.

2. Harmony, Not Discord:
Taylor emphasized that there should be complete harmony between the workers and the management since if there is any conflict between the two, it will not be beneficial either for the workers or the management.

3. Mental Revolution:
The technique of Mental Revolution involves a change in the attitude of workers and management towards each other. Both should realize the importance of each other and should work with full cooperation. Management as well as the workers should aim to increase the profits of the organisation.
4. Cooperation, Not Individualism:


This principle is an extension of principle of ‘Harmony, not discord’ and lays stress on mutual cooperation between workers and the management. Cooperation, mutual confidence, sense of goodwill should prevail among both, managers as well as workers. The intention is to replace internal competition with cooperation.

5. Development of each and every person to his or her greatest efficiency and prosperity:


Efficiency of any organisation also depends on the skills and capabilities of its employees to a great extent. Thus, providing training to the workers was considered essential in order to learn the best method developed through the use of scientific approach. To attain the efficiency, steps should be taken right from the process of selection of employees. Employees should be scientifically selected.