Every social occurrence as such, consists of an interaction between individuals. In other words, each individual is at the same time an active and a … - Georg Simmel

Man's position in the world is defined by the fact that in every dimension of his being and behavior he finds himself at every moment between two boundaries. This condition appears as the formal structure of our existence, filled always with different contents in life's diverse provinces, activities, and destinies. We feel that the content and value of every hour stands between a higher and a lower; every thought between a wiser and a more foolish; every possession between a more extended and a more limited; every deed between a greater and a lesser measure of meaning, adequacy, and morality.

Every relationship between two individuals or two groups will be characterized by the ratio of secrecy that is involved in it. Even when one of the parties does not notice the secret factor, yet the attitude of the concealer, and consequently the whole relationship, will be modified by it.

Objectivity does not simply involve passivity and detachment; it is a particular structure composed of distance and nearness, indifference and involvement.