When You Can Measure What You Are

Large Increases In Cost With Questionable Increases In Performance Can Be Tolerated Only In Race Horses And Fancy Women.

I Have No Satisfaction In Formulas Unless I Feel Their Numerical Magnitude.

Scientific Wealth Tends To Accumulate According To The Law Of Compound Interest. Every Addition To Knowledge Of The Properties Of Matter Supplies The Physical Scientist With New Instrumental Means For Discovering And Interpreting Phenomena Of Nature, Which In Their Turn Afford Foundations Of Fresh Generalisations, Bringing Gains Of Permanent Value Into The Great Storehouse Of Natural Philosophy.

I Have Not Had A Moment's Peace Or Happiness In Respect To Electromagnetic Theory Since November 28, 1846. All This Time I Have Been Liable To Fits Of Ether Dipsomania, Kept Away At Intervals Only By Rigorous Abstention From Thought On The Subject.

[referring To Fourier's Mathematical Theory Of The Conduction Of Heat] ... Fourier's Great Mathematical Poem.