The time has already come when each country needs a considered national policy about what size of population, whether larger or smaller than at present or the same, is most expedient. And having settled this policy, we must take steps to carry it into operation. The time may arrive a little later when the community as a whole must pay attention to the innate quality as well as to the mere numbers of its future members.

The ideas of economists and political philosophers, both when they are right and when they are wrong, are more powerful than is generally understood. Indeed, the world is ruled by little else.

... a speculator is one who runs risks of which he is aware and an investor is one who runs risks of which he is unaware.

The love of money as a possession...will be recognised for what it is, a somewhat disgusting morbidity.

The Class war will find me on the side of the educated bourgeoisie.

There is no subtler, no surer means of overturning the existing basis of society than to debauch the currency.

Chess is a cure for headaches.