All science is either physics or stamp collecting.

I congratulate you both on a fine piece of work which I am sure will ultimately prove of importance. I am personally very much interested in your results... In the past I have tried a number of experiments... but without any success.

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

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.

It is essential for men of science to take an interest in the administration of their own affairs or else the professional civil servant will step in - and then the Lord help you.

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.