There Are Things That Are So Serious

In My Paper The Fact The Xy Was Not Equal To Yx Was Very Disagreeable To Me. I Felt This Was The Only Point Of Difficulty In The Whole Scheme...and I Was Not Able To Solve It.

Whether We Electrons, Light Quanta, Benzol Molecules, Or Stones, We Shall Always Come Up Against These Two Characteristics, The Corpuscular And The Undular.

It Is Probably True Quite Generally That In The History Of Human Thinking The Most Fruitful Developments Frequently Take Place At Those Points Where Two Different Lines Of Thought Meet. These Lines May Have Their Roots In Quite Different Parts Of Human Nature, In Different Times Or Different Cultural Environments Or Different Religious Traditions: Hence If They Actually Meet, That Is, If They Are At Least So Much Related To Each Other That A Real Interaction Can Take Place, Then One May Hope That New And Interesting Developments May Follow.

I Believe That The Existence Of The Classical "path" Can Be Pregnantly Formulated As Follows: The "path" Comes Into Existence Only When We Observe It.

An Expert Is Someone Who Knows Some Of The Worst Mistakes That Can Be Made In His Subject And How To Avoid Them.