You Know Only Insofar As You Can

In Science There Is Only Physics; All The Rest Is Stamp Collecting.

Heavier-than-air Flying Machines Are Impossible.

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.

At What Time Does The Dissipation Of Energy Begin?

To Measure Is To Know.