Do Not Put Too Much

Our Model Of Nature Should Not Be Like A Building-a Handsome Structure For The Populace To Admire, Until In The Course Of Time Some One Takes Away A Corner Stone And The Edifice Comes Toppling Down. It Should Be Like An Engine With Movable Parts. We Need Not Fix The Position Of Any One Lever; That Is To Be Adjusted From Time To Time As The Latest Observations Indicate. The Aim Of The Theorist Is To Know The Train Of Wheels Which The Lever Sets In Motion-that Binding Of The Parts Which Is The Soul Of The Engine.

So Far As Physics Is Concerned, Time's Arrow Is A Property Of Entropy Alone.

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.

Man Is Slightly Nearer To The Atom Than To The Star. ... From His Central Position Man Can Survey The Grandest Works Of Nature With The Astronomer, Or The Minutest Works With The Physicist. ... [k]nowledge Of The Stars Leads Through The Atom; And Important Knowledge Of The Atom Has Been Reached Through The Stars.

We Often Think That When We Have Completed Our Study Of One We Know All About Two, Because 'two' Is 'one And One.' We Forget That We Still Have To Make A Study Of 'and.'