There are correspondences in the principles which govern the behavior of entities that are intrinsically widely different. These correspondences are … - Ludwig von Bertalanffy

Can civilizations and cultures be considered as systems? It seems, therefore, that a general theory of systems would be a useful tool providing, on the one hand, models that can be used in, and transferred different fields, and safeguarding, on the other hand, from vague analogies which often have marred the progress in these fields.

# Factor analysis, i.e., isolation by way of mathematical analysis, of factors in multivariable phenomena in psychology and other fields

Also the principle of stress, so often invoked in psychology, psychiatry, and psychosomatics, needs some reevaluation. As everything in the world, stress too is an ambivalent thing. Stress is not only a danger to life to be controlled and neutralized by adaptive mechanisms; it also creates higher life.

The system problem is essentially the problem of the limitation of analytical procedures in science. This used to be expressed by half-metaphysical statements, such as emergent evolution or ‘the whole is more than the sum of its parts,’ but has a clear operational meaning.