It Is That Of Increasing Knowledge Of

It Is That Of Increasing Knowledge Of Empirical Fact, Intimately Combined With Changing Interpretations Of This Body Of Fact - Hence Changing General Statements About It - And, Not Least, A Changing A Structure Of The Theoretical System.

If Observed Facts Of Undoubted Accuracy Will Not Fit Any Of The Alternatives It Leaves Open, The System Itself Is In Need Of Reconstruction.

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.

The Functions Of The Family In A Highly Differentiated Society Are Not To Be Interpreted As Functions Directly On Behalf Of The Society, But On Behalf Of Personality.

The Part An Actor Played On Stage Was Once Written On A Separate Roll Of Paper.