Fourier Is A Mathematical Poem.

Can You Measure It? Can You Express It In Figures? Can You Make A Model Of It? If Not, Your Theory Is Apt To Be Based More Upon Imagination Than Upon Knowledge.

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

I Can Never Satisfy Myself Until I Can Make A Mechanical Model Of A Thing. If I Can Make A Mechanical Model, I Can Understand It. As Long As I Cannot Make A Mechanical Model All The Way Through I Cannot Understand.

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.

There Is Nothing In Science Which Teaches The Origin Of Anything At All.