The ultimate meaning of the systems approach, therefore, lies in the creation of a theory of deception and in a fuller understanding of the ways in w… - C. West Churchman

In general, we can say that the larger the system becomes, the more the parts interact, the more difficult it is to understand environmental constraints, the more obscure becomes the problem of what resources should be made available, and deepest of all, the more difficult becomes the problem of the legitimate values of the system.

O.R.'s initial development began in the United Kingdom during World War II and was quickly taken up in the United States. This start took place in a military context. After the war O.R. moved into business, industry and civil government. This movement was slower in the United States than in the United Kingdom but in 1951 industrial O.R. took hold in this country and has since developed very rapidly.

The religious Weltanschauung, … describes a certain kind of relationship – such as love, adoration and obedience – between men and other men, or between men and some superior being. or between men and "Nature".