The only thing that ever really frightened me during the war was the U-Boat peril...It did not take the form of flaring battles and glittering achievements, it manifested itself through statistics, diagrams, and curves unknown to the nation, incomprehensible to the public.

The power of man has grown in every sphere, except over himself.

May there not be methods of using explosive energy incomparably more intense than anything heretofore discovered? Might not a bomb no bigger than an orange be found to possess a secret power to destroy a whole block of buildings-nay, to concentrate the force of a thousand tons of cordite and blast a township at a stroke? Could not explosives even of the existing type be guided automatically in flying machines by wireless or other rays, without a human pilot, in ceaseless procession upon a hostile city, arsenal, camp or dockyard?

Without execution, thinking is mere idleness.

I would tell myself that I was about to address the largest mass assembly of idiots ever gathered in the history of mankind.

It would be a great reform in politics if perception could be made to spread as easily and as rapidly as foolishness.

On 17th July there came to us at Potsdam the eagerly-awaited news of the trial of the atomic bomb in the [New] Mexican desert. Success beyond all dreams crowded this sombre, magnificent venture of our American allies. The detailed reports ... could leave no doubt in the minds of the very few who were informed, that we were in the presence of a new factor in human affairs, and possessed of powers which were irresistible.