Mathematics Is The Only True Metaphysics.

I Have Not The Smallest Molecule Of Faith In Aerial Navigation Other Than Ballooning, Or Of The Expectation Of Good Results From Any Of The Trials We Heard Of. So You Will Understand That I Would Not Care To Be A Member Of The Aeronautical Society.

Accurate And Minute Measurement Seems To The Non-scientific Imagination, A Less Lofty And Dignified Work Than Looking For Something New. But Nearly All The Grandest Discoveries Of Science Have Been But The Rewards Of Accurate Measurement And Patient Long-continued Labour In The Minute Sifting Of Numerical Results.

When You Cannot Measure, Your Knowledge Is Meager And Unsatisfactory.

When You Can Measure What You Are Speaking About, And Express It In Numbers, You Know Something About It.

The Life And Soul Of Science Is Its Practical Application, And Just As The Great Advances In Mathematics Have Been Made Through The Desire Of Discovering The Solution Of Problems Which Were Of A Highly Practical Kind In Mathematical Science, So In Physical Science Many Of The Greatest Advances That Have Been Made From The Beginning Of The World To The Present Time Have Been Made In The Earnest Desire To Turn The Knowledge Of The Properties Of Matter To Some Purpose Useful To Mankind.