Schrödinger's wave-mechanics is not a physical theory, but a dodge - and a very good dodge too.

The electron, as it leaves the atom, crystallises out of Schrodinger's mist like a genie emerging from his bottle.

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.

The understanding between a non-technical writer and his reader is that he shall talk more or less like a human being and not like an Act of Parliament. I take it that the aim of such books must be to convey exact thought in inexact language... he can never succeed without the co-operation of the reader.

Electrical force is defined as something which causes motion of electrical charge; an electrical charge is something which exerts electric force.

In the world of physics we watch a shadowgraph performance of the drama of familiar life. The shadow of my elbow rests on the shadow table as the shadow ink flows over the shadow paper. It is all symbolic, and as a symbol the physicist leaves it. ... The frank realisation that physical science is concerned with a world of shadows is one of the most significant of recent advances.