The implications of these considerations justify the statement that all empirically verifiable knowledge even the commonsense knowledge of everyday life - involves implicitly, if not explicitly, systematic theory in this sense.

A gloss is a total system of perception and language.

Empirical interest will be in the facts so far as they are relevant to the solution of these problems.

It is probably safe to say that all the changes of factual knowledge which have led to the relativity theory, resulting in a very great theoretical development, are completely trivial from any point of view except their relevance to the structure of a theoretical system.

Sociology should... be thought of as a science of action-of the ultimate common value element in its relations to the other elements of action.

The importance of certain problems concerning the facts will be inherent in the structure of the system.

A scientifically unimportant discovery is one which, however true and however interesting for other reasons, has no consequences for a system of theory with which scientists in that field are concerned.