I Admired Bohr Very Much. We Had

I Admired Bohr Very Much. We Had Long Talks Together, Long Talks In Which Bohr Did Practically All The Talking.

A Book On The New Physics, If Not Purely Descriptive Of Experimental Work, Must Essentially Be Mathematical.

I Consider That I Understand An Equation When I Can Predict The Properties Of Its Solutions, Without Actually Solving It.

What Makes The Theory Of Relativity So Acceptable To Physicists In Spite Of Its Going Against The Principle Of Simplicity Is Its Great Mathematical Beauty. This Is A Quality Which Cannot Be Defined, Any More Than Beauty In Art Can Be Defined, But Which People Who Study Mathematics Usually Have No Difficulty In Appreciating.

I Do Not See How A Man Can Work On The Frontiers Of Physics And Write Poetry At The Same Time. They Are In Opposition. In Science You Want To Say Something That Nobody Knew Before, In Words Which Everyone Can Understand. In Poetry You Are Bound To Say ... Something That Everyone Knows Already In Words That Nobody Can Understand. Commenting To Him About The Poetry J. Robert Oppenheimer Wrote.