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.

Watch your actions, they become your habits.

I did not like the man [Niels Bohr] when you showed him to me, with his hair all overhis head.

Like a sea-beast fished up from the depths, or a diver too suddenly hoisted, my veins threatened to burst from the fall in pressure. I had great anxiety and no means of relieving it ... And then it was that the Muse of Painting came to my rescue - out of charity and out of chivalry ... - and said, "Are these toys any good to you? They amuse some people."

We are stripped bare by the curse of plenty. [Referring to the theory that over-production caused the Depression]

I had no idea of the enormous and unquestionably helpful part that humbug plays in the social life of great peoples dwelling in a state of democratic freedom.

There are few virtues that the Poles do not possess and there are few errors they have ever avoided.