[of The Ether] It Is

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.

You Know Only Insofar As You Can Measure.

To Live Among Friends Is The Primary Essential Of Happiness.

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

Mathematics Is The Only Good Metaphysics.