Necessity Is The Mother Of All Invention.

The Theoretical Idea ... Does Not Arise Apart From And Independent Of Experience; Nor Can It Be Derived From Experience By A Purely Logical Procedure. It Is Produced By A Creative Act. Once A Theoretical Idea Has Been Acquired, One Does Well To Hold Fast To It Until It Leads To An Untenable Conclusion.

I Know Very Well That Many Scientists Consider Dowsing As They Do Astrology, As A Type Of Ancient Superstition. According To My Conviction This Is, Unjustified. The Dowsing Rod Is A Simple Instrument Which Shows The Uncanny Reaction Of The Human Nervous System To Certain Factors Which Are Unknown To Us At This Time.

Intellectuals Solve Problems, Geniuses Prevent Them.

You Must Be Aware That Most Men (and Also Not Only A Few Women) Are By Nature Not Monogamous. This Nature Makes Itself Even More Forceful When Tradition And Circumstance Stand In An Individual's Way.

Thought Is The Organizing Factor In Man, Intersected Between The Causal Primary Instincts And The Resulting Actions.