But the scientific importance of a change in knowledge of fact consists precisely in j its having consequences for a system of theory.

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.

But the scientific importance of a change in knowledge of fact consists precisely in j its having consequences for a system of theory.

The hypothesis may be put forward, to be tested by the s subsequent investigation, that this development has been in large part a matter of the reciprocal interaction of new factual insights and knowledge on the one hand with changes in the theoretical system on the other.

The part an actor played on stage was once written on a separate roll of paper.

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

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.