[of The Ether] It Is

Simplification Of Modes Of Proof Is Not Merely An Indication Of Advance In Our Knowledge Of A Subject, But Is Also The Surest Guarantee Of Readiness For Farther Progress.

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

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.

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

If You Cannot Measure It, Then It Is Not Science.