An alleged scientific discovery has no merit unless it can be explained to a barmaid.

All science is either physics or stamp collecting.

The greatest contributor to the feeling of tension and fear of war arose from the power of the bombing aeroplane. If all nations would consent to abolish air bombardment . . . that would mean the greatest possible release from fear.

Radioactivity is shown to be accompanied by chemical changes in which new types of matter are being continually produced. .... The conclusion is drawn that these chemical changes must be sub-atomic in character.

It was almost as incredible as if you fired a 15-inch shell at a piece of tissue paper and it came back and hit you.

Splitting the atom is like trying to shoot a gnat in the Albert Hall at night and using ten million rounds of ammunition on the off chance of getting it. That should convince you that the atom will always be a sink of energy and never a reservoir of energy.

I must confess it was very unexpected and I am very startled at my metamorphosis into a chemist.