[referring To Fourier's Mathematical Theory Of The

Questions Of Personal Priority, However Interesting They May Be To The Persons Concerned, Sink Into Insignificance In The Prospect Of Any Gain Of Deeper Insight Into The Secrets Of Nature.

Mathematics Is The Only True Metaphysics.

I Often Say That When You Can Measure What You Are Speaking About, And Express It In Numbers, You Know Something About It; But When You Cannot Measure It, When You Cannot Express It In Numbers, Your Knowledge Is Of A Meagre And Unsatisfactory Kind.

Symmetrical Equations Are Good In Their Place, But ' Vector ' Is A Useless Survival, Or Offshoot From Quaternions, And Has Never Been Of The Slightest Use To Any Creature.

Simplification Of Modes Of Proof Is Not Merely An Indication Of Advance In Our Knowledge Of A Subject, But Is Also The Surest Guarantee Of Readiness For Farther Progress.