It Is Not His Possession Of Knowledge,

Every Discovery Contains An Irrational Element Or A Creative Intuition.

But Some Of These Theories Are So Bold That They Can Clash With Reality: They Are The Testable Theories Of Science. And When They Clash, Then We Know That There Is A Reality; Something That Can Inform Us That Our Ideas Are Mistaken.

Science May Be Described As The Art Of Systematic Over-simplification.

[the Aim Of Science Is] To Explain What So Far Has Taken To Be An Explicans, Such As A Law Of Nature. The Task Of Empirical Science Constantly Renews Itself. We May Go On Forever, Proceeding To Explanations Of A Higher And Higher Universality.

But It Is Certainly Not Possible To Insist On One Hand That The Formalism Is Complete And To Insist On The Other Hand That Its Application To 'the Actual' Actually Demands A Step Which Cannot Be Derived From It.