Never Accept A Fact Until It Has

There Is Only One Law Of Nature-the Second Law Of Thermodynamics-which Recognises A Distinction Between Past And Future More Profound Than The Difference Of Plus And Minus. It Stands Aloof From All The Rest. ... It Opens Up A New Province Of Knowledge, Namely, The Study Of Organisation; And It Is In Connection With Organisation That A Direction Of Time-flow And A Distinction Between Doing And Undoing Appears For The First Time.

On One Occasion When [william] Smart Found Him Engrossed With His Fundamental Theory, He Asked Eddington How Many People He Thought Would Understand What He Was Writing-after A Pause Came The Reply, 'perhaps Seven.'

A Hundred Thousand Million Stars Make One Galaxy; A Hundred Thousand Million Galaxies Make One Universe. The Figures May Not Be Very Trustworthy, But I Think They Give A Correct Impression.

What Is Possible In The Cavendish Laboratory May Not Be Too Difficult In The Sun.

Don't Believe The Results Of Experiments Until They're Confirmed By Theory.