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.

I have to keep going, as there are always people on my track. I have to publish my present work as rapidly as possible in order to keep in the race. The best sprinters in this road of investigation are Becquerel and the Curies.

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

The only possible conclusion the social sciences can draw is: some do, some don't.

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.

We haven't got the money, so we've got to think.

If your experiment needs statistics, you ought to have done a better experiment.