As the journalists of the time phased it, this was the epoch of the Leap into the Air. The new atomic aeroplane became indeed a mania; everyone of means was frantic to possess a thing so controllable, so secure and so free from the dust and danger of the road, and in France in the year 1943 thirty thousand of these new aeroplanes were manufactured and licensed, and soared humming softly into the sky.

The path of social advancement is, and must be, strewn with broken friendships.

The great body of physical science, a great deal of the essential fact of financial science, and endless social and political problems are only accessible and only thinkable to those who have had a sound training in mathematical analysis, and the time may not be very remote when it will be understood that for complete initiation as an efficient citizen of one of the new great complex worldwide States that are now developing, it is as necessary to be able to compute, to think in averages and maxima and minima, as it is now to be able to read and write.

Every time I see an adult on a bicycle, I no longer despair for the future of the human race.

Better it is toward the right conduct of life to consider what will be the end of a thing, than what is the beginning of it: for what promises fair at first may prove ill, and what seems at first a disadvantage, may prove very advantageous.

Will is stronger than fact: it can mold and overcome fact.

The German people are an orderly, vain, deeply sentimental and rather insensitive people. They seem to feel at their best when they are singing in chorus, saluting or obeying orders.