Schrödinger's Wave-mechanics Is Not A Physical Theory,

When An Investigator Has Developed A Formula Which Gives A Complete Representation Of The Phenomena Within A Certain Range, He May Be Prone To Satisfaction. Would It Not Be Wiser If He Should Say 'foiled Again! I Can Find Out No More About Nature Along This Line.'

If An Army Of Monkeys Were Strumming On Typewriters, They Might Write All The Books In The British Museum.

Something Unknown Is Doing We Don't Know What-that Is What Our Theory Amounts To.

It Is Reasonable To Hope That In The Not Too Distant Future We Shall Be Competent To Understand So Simple A Thing As A Star.

Let Us Suppose That An Ichthyologist Is Exploring The Life Of The Ocean. He Casts A Net Into The Water And Brings Up A Fishy Assortment. Surveying His Catch, He Proceeds In The Usual Manner Of A Scientist To Systematise What It Reveals. He Arrives At Two Generalisations: No Sea-creature Is Less Than Two Inches Long. (2) All Sea-creatures Have Gills. These Are Both True Of His Catch, And He Assumes Tentatively That They Will Remain True However Often He Repeats It.